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Patent Assignment Assignor Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : HUGHES TOOL COMPANY

Total Assignments: 14

Assignment: 1

Reel/Frame:	003828/0687			Pages:	3
		Recorded:	02/13/1981
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 6, 1972

Assignor

HUGHES TOOL COMPANY

Exec Dt:

01/27/1980

Assignee

SUMMA CORPORATION

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3351505

NONE

04053566

3144082

NONE

04237243

3162432

NONE

04268414

3327969

NONE

04495241

Correspondence name and address
	SIEGEMUND & MARTELLA
	4262 WILSHIRE BLVD., STE. 320
	LOS ANGELES, CA 90010

Assignment: 2

Reel/Frame:	004269/0060			Pages:	28
		Recorded:	05/15/1984
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

03/30/1984

Assignee

HUGHES TOOL COMPANY - USA A CORP OF

DELAWARE

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3313552	NONE		04317276	3344870	NONE		04441131	3467448	NONE		04509480
3382936	NONE		04537920	3405770	NONE		04552788	3360301	NONE		04564426
3361494	NONE		04573770	3441094	NONE		04576170	3401759	NONE		04586251
3520362	NONE		04658513	3442342	NONE		04662232	3800891	NONE		04730671
3714993	NONE		05091699	3746329	NONE		05195999	3730269	NONE		05200913
3727705	NONE		05219669	3762745	NONE		05240462	3860902	NONE		05332468
3842907	NONE		05332471	3850135	NONE		05332472	3845994	NONE		05349045
3876016	NONE		05373205	3842921	NONE		05387565	3922038	NONE		05387566
3942596	NONE		05466641	3941197	NONE		05484837	3918538	NONE		05484838
3997374	NONE		05524919	3913988	NONE		05527110	3935114	NONE		05529302
3946817	NONE		05535871	3986565	NONE		05536529	3989554	NONE		05571447
3970158	NONE		05572545	4014595	NONE		05582492	4019785	NONE		05582506
4012238	NONE		05616537	4211508	NONE		05657990	4055225	NONE		05687131
RE29300	NONE		05719204	4061967	NONE		05756576	4108260	NONE		05783924
4243727	NONE		05790795	4160543	NONE		05854963	4276946	NONE		05885723
4145034	NONE		05887405	4188242	NONE		05915094	4202490	NONE		05918640
4245710	NONE		05921700	4209124	NONE		05923835	4228339	NONE		05974168
4236764	NONE		06006706	4210316	NONE		06007264	4301877	NONE		06128695
4386667	NONE		06145549	4343372	NONE		06161701	4344658	NONE		06174483
4375242	NONE		06177292	4359113	NONE		06184708	4386668	NONE		06188443
4431066	NONE		06235481	4386663	NONE		06238258	4438953	NONE		06238720
4406337	NONE		06249583	4400024	NONE		06288712	4402495	NONE		06311500
4491428	NONE		06325608	4414734	NONE		06326083	4445734	NONE		06327524
4421184	NONE		06327525	4451162	NONE		06389782	4507843	NONE		06448671
4428687	NONE		06497217	4506432	NONE		06538648	4516641	NONE		06542801
4515228	NONE		06555735	4519719	NONE		06559651	4661932	NONE		06561487
4574895	NONE		06566962	4549820	NONE		06578318	3509952	NONE		UNAVAILABLE
4102838	NONE		UNAVAILABLE

Correspondence name and address
	HUGHES TOOL COMPANY
	P.O. BOX 2539
	HOUSTON TX 77001

Assignment: 3

Reel/Frame:	004348/0920			Pages:	4
		Recorded:	01/07/1985
Conveyance:	LICENSE (SEE DOCUMENT FOR DETAILS).

Assignor

HUGHES TOOL COMPANY

Exec Dt:

12/20/1984

Assignee

CAL DIVE INTERNATIONAL, INC.

115 INDUSTRIAL PARKWAY

A CORP OF MINNESOTA

LAFAYETTE, LOUISIANA 70505

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

3751932

NONE

05226778

4050955

NONE

05564129

4011620

NONE

05564130

4059288

NONE

05719437

Correspondence name and address
	KINNEY & LANGE
	SUITE 1500
	625 FOURTH AVE., SOUTH
	MINNEAPOLIS, MN 55415-1659

Assignment: 4

Reel/Frame:	004430/0097			Pages:	1
		Recorded:	07/15/1985
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

04/04/1985

Assignee

EVANS, ROBERT W., A CITIZEN OF THE UNITED STATES OF AMERICA

HOUSTON,, TEXAS

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4361195

NONE

06214454

4566546

NONE

06648711

4566546

NONE

06648711

Correspondence name and address
	NEAL J. MOSELY
	2916 WEST T. C. JESTER BLVD.
	STE. 108
	HOUSTON, TX 77018

Assignment: 5

Reel/Frame:	004823/0981			Pages:	2
		Recorded:	01/14/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors

ONCOR CORPORATION

Exec Dt:

08/22/1986

HUGHES TOOL COMPANY

Exec Dt:

08/22/1986

Assignee

HUGHES TOOL COMPANY, A CORP. OF DE

Property

Pat #

Pub #

Intl #

App #

4735129

NONE

06500984

Correspondence name and address
	JONATHAN E. JOBE, JR.
	HUBBARD, THURMAN, TURNER & TUCKER
	2100 ONE GALLERIA TOWER
	DALLAS, TX 75240

Assignment: 6

Reel/Frame:	004853/0862			Pages:	2
		Recorded:	03/31/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

02/03/1988

Assignee

HIPP, JAMES, E.

Property

Pat #

Pub #

Intl #

App #

3946819

NONE

05544070

Correspondence name and address
	BERNARD A. REITER
	1800 AUGUSTA DRIVE, SUTIE 400
	HOUSTON, TEXAS 77057

Assignment: 7

Reel/Frame:	005014/0424			Pages:	3
		Recorded:	01/31/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

02/19/1988

Assignee

BAKER HUGHES, INC., TEXAS A DE. CORP.

3900 ESSEX

HOUSTON, TEXAS 77027

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3726350	NONE		05146396	3750767	NONE		05146403	3905432	NONE		05161453
3902562	NONE		05430103	3986570	NONE		05603835	4089382	NONE		05784019
4296824	NONE		05920561	4248314	NONE		06043532	4241799	NONE		06085666
4448270	NONE		06376793

Correspondence name and address
	BAKER HUGHES INCORPORATED
	3900 ESSEX LANE, SUITE 1200
	P.O. BOX 4740
	HOUSTON, TEXAS 77210-4740

Assignment: 8

Reel/Frame:	005216/0275			Pages:	8
		Recorded:	10/16/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

03/21/1988

Assignee

BAKER HUGHES, INC.

3900 ESSEX

A CORP. OF DE

HOUSTON, TEXAS 77027

Property

Pat #

Pub #

Intl #

App #

3698474

NONE

05097940

Correspondence name and address
	CARL A. ROWOLD
	BAKER HUGHES INCORPORATED
	3900 ESSEX LANE, STE. 1200
	P.O. BOX 4740, HOUSTON, TEXAS 77210-4740

Assignment: 9

Reel/Frame:	005195/0870			Pages:	4
		Recorded:	08/14/1989
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

04/06/1988

Assignee

BAKER HUGHES, INC., A CORP. OF DE.

3900 ESSEX,

HOUSTON,, TEXAS 77027

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3575194	NONE		04841046	3575204	NONE		04843698	3630640	NONE		05069635
3654949	NONE		05107027	3834414	NONE		05284590	4035103	NONE		05571905
4128106	NONE		05776204	4295796	NONE		06053302	4275790	NONE		06091035
4427345	NONE		06314915	4483397	NONE		06453050	4501323	NONE		06453064
4628997	NONE		06623803	4605065	NONE		06748785	4759410	NONE		06904523
3601191	NONE		07029023

Correspondence name and address
	CARL A. ROWOLD
	BAKER HUGHES INCORPORATED
	3900 ESSEX LANE, STE. 1200
	P.O. BOX 4740
	HOUSTON, TX 77210-4740

Assignment: 10

Reel/Frame:	005050/0861			Pages:	1
		Recorded:	08/08/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

06/09/1988

Assignee

BAKER HUGHES INCORPORATED

3900 ESSEX,

HOUSTON,, TEXAS 77027

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3634235	NONE		04692298	3587076	NONE		04727854	3615027	NONE		04779171
3592347	NONE		04790643	3603409	NONE		04811052	3615223	NONE		04831061
3612179	NONE		04842700	3589742	NONE		04851663	3581179	NONE		04857078
3612627	NONE		04860287	3592515	NONE		04860288	3571936	NONE		04862109
3588162	NONE		04862561	3642623	NONE		04865492	3616941	NONE		04868541
3612286	NONE		04868549	3614111	NONE		04868870	3598183	NONE		04871016
3635105	NONE		04887797	3664376	NONE		05005662	3675900	NONE		05019582
3648814	NONE		05019601	3625095	NONE		05022293	3629927	NONE		05023613
3675713	NONE		05023864	3616850	NONE		05029973	3648858	NONE		05035370
3655071	NONE		05040986	3682258	NONE		05048222	3671786	NONE		05052490
3695363	NONE		05075025	3695669	NONE		05085594	3724501	NONE		05108534
3800962	NONE		05112540	3753552	NONE		05127892	3730267	NONE		05127982
3699675	NONE		05131123	3751192	NONE		05132942	3739663	NONE		05134553
3691875	NONE		05134554	3706243	NONE		05134661	3704638	NONE		05147058
3719228	NONE		05152362	3719236	NONE		05155163	3765485	NONE		05160399
3779313	NONE		05160407	3804268	NONE		05160641	3718183	NONE		05161756
3791442	NONE		05184444	3768663	NONE		05188410	3844420	NONE		05197553
3710007	NONE		05208624	3710009	NONE		05208643	3793913	NONE		05216085
3780815	NONE		05216216	3812723	NONE		05219741	3917230	NONE		05220284
3796418	NONE		05227522	3803953	NONE		05230835	3850817	NONE		05255130
RE27724	NONE		05264697	3816148	NONE		05271008	3817908	NONE		05272253
3859107	NONE		05274718	4003431	NONE		05290610	3801071	NONE		05295758
3956142	NONE		05297770	3878110	NONE		05300389	3872018	NONE		05306856
3881375	NONE		05314285	3799364	NONE		05321488	3845784	NONE		05357719
3884298	NONE		05372169	3889747	NONE		05381531	3884519	NONE		05393085
3832481	NONE		05403579	4109800	NONE		05404943	3882060	NONE		05415572
3858401	NONE		05420678	3951827	NONE		05421017	3926900	NONE		05424262
3873079	NONE		05430980	3891033	NONE		05430989	3889049	NONE		05433332
3900068	NONE		05449879	3882377	NONE		05462276	3887009	NONE		05463889
3922009	NONE		05485851	3892148	NONE		05493993	3908967	NONE		05505234
4063846	NONE		05523394	3937515	NONE		05526206	3929235	NONE		05526207
3937514	NONE		05526208	RE29830	NONE		05542491	3915228	NONE		05544392
3952526	NONE		05546710	4037672	NONE		05546856	4042123	NONE		05547375
3921447	NONE		05550059	3976207	NONE		05565953	3995701	NONE		05565991
3966054	NONE		05579985	4000446	NONE		05583717	4021700	NONE		05583718
3976919	NONE		05583719	3984990	NONE		05585375	3955622	NONE		05585376
3992889	NONE		05585377	3978993	NONE		05589830	3999811	NONE		05607314
3996737	NONE		05639525	4004326	NONE		05643733	3999260	NONE		05647760
4170248	NONE		05655623	4033647	NONE		05663650	4030746	NONE		05680301
4042014	NONE		05684808	4219917	NONE		05698231	4050512	NONE		05702406
4111235	NONE		05702557	4050948	NONE		05712047	4088830	NONE		05717436
4096351	NONE		05717437	4088459	NONE		05752499	4119874	NONE		05767931
4070869	NONE		05768165	4163401	NONE		05777672	4128888	NONE		05777677
4187546	NONE		05777724	4139891	NONE		05777786	4119837	NONE		05777927
4183562	NONE		05783636	4126348	NONE		05794003	4094359	NONE		05800902
4108243	NONE		05800903	4083401	NONE		05800904	4132243	NONE		05806795
4127991	NONE		05822697	4330306	NONE		05843019	4190120	NONE		05852908
4222590	NONE		05874622	4200312	NONE		05875639	4135841	NONE		05875640
4147215	NONE		05884870	4222988	NONE		05903304	4186973	NONE		05927868
4211625	NONE		05941629	4234758	NONE		05957383	4256187	NONE		05965202
4227585	NONE		05974206	4327261	NONE		06003035	4273953	NONE		06004256
4293039	NONE		06012277	4202225	NONE		06026820	4333526	NONE		06037841
4316515	NONE		06043533	4284841	NONE		06073414	4330740	NONE		06079852
4275938	NONE		06096344	4302793	NONE		06099016	4326328	NONE		06101417
4275788	NONE		06115870	4332298	NONE		06120180	4332298	NONE		06120180
4345648	NONE		06120418	4316504	NONE		06120585	4345653	NONE		06121960
4320803	NONE		06124664	4304433	NONE		06130761	4345864	NONE		06130762
4374595	NONE		06159754	RE31645	NONE		06163231	4333209	NONE		06165585
4326584	NONE		06174946	4403658	NONE		06183881	4333528	NONE		06193314
4381034	NONE		06195460	4332619	NONE		06206507	4328038	NONE		06206508
4415193	NONE		06239308	4421999	NONE		06239767	4384747	NONE		06244410
4436488	NONE		06267224	4416495	NONE		06270736	4395061	NONE		06273821
4411315	NONE		06278915	4370518	NONE		06287400	4345735	NONE		06288711
4361940	NONE		06289945	4491345	NONE		06290464	4406462	NONE		06301162
4428421	NONE		06301772	4392377	NONE		06305947	4428433	NONE		06306443
4410845	NONE		06307558	4426124	NONE		06308057	4436002	NONE		06329971
4453099	NONE		06341959	4469136	NONE		06351116	4462733	NONE		06371144
4431054	NONE		06371145	4435661	NONE		06376791	4581613	NONE		06376792
4483660	NONE		06378303	4413681	NONE		06388334	4456070	NONE		06401508
4457378	NONE		06402178	4491439	NONE		06402179	4465134	NONE		06402180
4438910	NONE		06405230	4441566	NONE		06406592	4396216	NONE		06413044
4476931	NONE		06419294	4477230	NONE		06430622	4430472	NONE		06450692
4542324	NONE		06451368	4467258	NONE		06451695	4514309	NONE		06453051
4557339	NONE		06454591	4469172	NONE		06462581	4472598	NONE		06488954
4499950	NONE		06499069	T105101	NONE		06502849	4422805	NONE		06504241
4469518	NONE		06523253	4476934	NONE		06527927	4513215	NONE		06538646
4482379	NONE		06538647	4631536	NONE		06541939	4502543	NONE		06554741
4579379	NONE		06569811	4491331	NONE		06578985	4583923	NONE		06579044
4492523	NONE		06579045	4512405	NONE		06584581	4569394	NONE		06584584
4550942	NONE		06588188	4521708	NONE		06589810	4589689	NONE		06600662
4569395	NONE		06602641	4613849	NONE		06603258	4491778	NONE		06604445
4613002	NONE		06605536	4621403	NONE		06611648	4508583	NONE		06612974
4481121	NONE		06617141	4592427	NONE		06622330	4595053	NONE		06622603
4519456	NONE		06640535	4582131	NONE		06654824	4589492	NONE		06659489
4598353	NONE		06669143	4592426	NONE		06679787	4602685	NONE		06683787
4610306	NONE		06683788	4616857	NONE		06702853	4577692	NONE		06707914
4603464	NONE		06710730	4572036	NONE		06718203	4658089	NONE		06738339
4637470	NONE		06747081	4648747	NONE		06748786	4631535	NONE		06751824
4635727	NONE		06764819	4641841	NONE		06769051	4665979	NONE		06773396
4641708	NONE		06773397	4655302	NONE		06775450	4674920	NONE		06778598
4619324	NONE		06787203	4589503	NONE		06788668	4610737	NONE		06789204
4678399	NONE		06792618	4650549	NONE		06795575	4680664	NONE		06806873
4691430	NONE		06809355	4641717	NONE		06813804	4679638	NONE		06814335
4632186	NONE		06814350	4676725	NONE		06814353	4678404	NONE		06822358
4647099	NONE		06826032	4681193	NONE		06830895	4696206	NONE		06850313
4669961	NONE		06860152	4667752	NONE		06874818	4681166	NONE		06897431
4699215	NONE		06897567	4698168	NONE		06902356	4707041	NONE		06941476
4712621	NONE		06943278	4721132	NONE		07011163	4715761	NONE		07021618
4791997	NONE		07142105	3942592	NONE		UNAVAILABLE	3838413	NONE		UNAVAILABLE

Correspondence name and address
	JAMES E. BRADLEY
	PATENTS & TECHNOLOGY MGMNT.
	HUGHES TOOL CO.
	P. O. BOX 2539
	HOUSTON, TX 77252-2539

Assignment: 11

Reel/Frame:	005452/0701			Pages:	5
		Recorded:	09/28/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

06/20/1990

Assignee

DRESSER INDUSTRIES, INC.

1600 PACIFIC, A DE CORP.

DALLAS, TEXAS 75201

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4574895	NONE		06566962	4602691	NONE		06618113	4603750	NONE		06656825
4667756	NONE		06867343	4696354	NONE		06880214	4685359	NONE		06893112
4714120	NONE		07042546	4703814	NONE		07046204	4911254	NONE		07346924
4941538	NONE		07409706	5007493	NONE		07484406	RE33757	NONE		07484510

Correspondence name and address
	ROBERT A. FELSMAN
	PATS. AND TECHNOLOGY MGMNT.
	HUGHES TOOL COMPANY
	P. O. BOX 2539
	HOUSTON, TX 77001

Assignment: 12

Reel/Frame:	005852/0275			Pages:	5
		Recorded:	09/25/1991
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

HUGHES TOOL COMPANY

Exec Dt:

07/23/1991

Assignee

BJ SERVICES COMPANY

A CORP. OF DELAWARE

5500 NORTHWEST CENTRAL DRIVE

HOUSTON, TEXAS 77072

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4482383

NONE

06502821

4764019

NONE

07091797

Correspondence name and address
	CHARLES D. GUNTER, JR.
	FELSMAN, BRADLEY, GUNTER & DILLON
	2600 CONTINENTAL PLAZA
	777 MAIN STREET
	FORT WORTH, TX. 76102

Assignment: 13

Reel/Frame:	006423/0950			Pages:	7
		Recorded:	02/16/1993
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

HUGHES TOOL COMPANY

Exec Dt:

05/07/1992

Assignee

HUGHES CHRISTENSEN COMPANY

5425 POLK STREET

HOUSTON, TEXAS 77023

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
5287936	NONE		07830130	5281260	NONE		07843823	5360076	NONE		07862973
5273125	NONE		07879600	5248006	NONE		07881731	5348108	NONE		07895594

Correspondence name and address
	GERALD W. SPINKS, ESQ.
	BAKER HUGHES INCORPORATED
	P.O. BOX 4740
	3900 ESSEX LANE, 12TH FLOOR
	HOUSTON, TX 77027

Assignment: 14

Reel/Frame:	004348/0009			Pages:	18
		Recorded:	01/07/1985
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST. SUBJECT TO CONDITIONS RECITED (SEE DOCUMENT FOR DETAILS)

Assignor

HUGHES TOOL COMPANY

Exec Dt:

00/00/0000

Assignee

CAL DRIVE INTERNATIONAL, INC., 115 INDUSTRIAL PARKWAY, LAFAYETTE, LA. 70505, A MN CORP.

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3393926	NONE		04370269	3598429	NONE		04815831	3566505	NONE		04831576
3713204	NONE		05033494	3707025	NONE		05065648	3695634	NONE		05081681
3744822	NONE		05106726	3713675	NONE		05106727	3704033	NONE		05106854
3711123	NONE		05106856	3784234	NONE		05189982	3737179	NONE		05219413
3780421	NONE		05281467	3842612	NONE		05290455	3874706	NONE		05290953
3876852	NONE		05354358	3830526	NONE		05354525	3860270	NONE		05354798
3844313	NONE		05354800	3933519	NONE		05464037	3931670	NONE		05464105
3921672	NONE		05484793	3986728	NONE		05507030	3997197	NONE		05513056
3997199	NONE		05554604	3977702	NONE		05557969	4045054	NONE		05558427
3944263	NONE		05558428	3924686	NONE		05558429	4006921	NONE		05585504
4005881	NONE		05602439	3999782	NONE		05606421	4014567	NONE		05611406
3978678	NONE		05622038	4028903	NONE		05631101	4014180	NONE		05633965
4040650	NONE		05634767	4076130	NONE		05662268	4044749	NONE		05682039
4091514	NONE		05682158	4059288	NONE		05719437	4078832	NONE		05752985
4116015	NONE		05755474	4142739	NONE		05788159	4116471	NONE		05790315
4089455	NONE		05790464	4209270	NONE		05970791	4332277	NONE		06183828
4422477	NONE		06238713	4465104	NONE		06536794	4477105	NONE		06611374

Correspondence name and address
	KINNEY & LANGE
	SUITE 1500, 625 FOURTH AVE SO.
	MINNEAPOLIS, MN 55415-1659

Search Results as of: 05/21/2024 02:15 AM

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Web interface last modified: August 25, 2017 v.2.6