skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : WITMAN, MARK W.
Total Assignments: 19
Assignment: 1
Reel/Frame:004127/0204   Pages: 1
Recorded: 05/16/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WITMAN, MARK W.
Exec Dt:
03/13/1981
2
REINERT, GERARD E.
Exec Dt:
03/13/1981
Assignee
1
MOBAY CHEMICAL CORPORATION
A CORP. OF NJ
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4410662
NONE
06249276
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PKWY., W.
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:004039/0622   Pages: 1
Recorded: 09/24/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WITMAN, MARK W.
Exec Dt:
09/01/1981
Assignee
1
MOBAY CHEMICAL CORPORATION, A CORP OF N J
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4378449
NONE
06304397
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:003942/0200   Pages: 2
Recorded: 01/08/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WITMAN, MARK W.
Exec Dt:
12/04/1981
2
WHITE, ROGER J.
Exec Dt:
12/04/1981
3
BARON, ARTHUR L.
Exec Dt:
08/06/1981
4
KRISHNAN, SIVARAM
Exec Dt:
09/07/1981
Assignee
1
MOBAY CHEMICAL CORPORATION, A CORP. OF NJ
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4425456
NONE
06306046
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PKWY., WEST
PITTSBURGH, PA 15205
Assignment: 4
Reel/Frame:004344/0475   Pages: 1
Recorded: 12/26/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WITMAN, MARK W.
Exec Dt:
07/08/1982
Assignee
1
MOBAY CHEMICAL CORPORATION
A CORP OF NJ
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4515921
NONE
06400548
Correspondence name and address
MOBAY CHEMICAL CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:004257/0092   Pages: 1
Recorded: 05/17/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GRIGO, ULRICH R.
Exec Dt:
07/09/1982
2
LAZEAR, NELSON R.
Exec Dt:
07/09/1982
3
WITMAN, MARK W.
Exec Dt:
07/09/1982
Assignee
1
MOBAY CHEMICAL CORPORATION, PITTSBURGH, PA A CORP OF NJ
PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4472554
NONE
06401807
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 6
Reel/Frame:004441/0255   Pages: 1
Recorded: 08/16/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WITMAN, MARK W.
Exec Dt:
10/06/1982
2
REINERT, GERARD E.
Exec Dt:
09/24/1982
Assignee
1
MOBAY CHEMICAL CORPORATION, PITTSBURGH, PA., A CORP. OF NEW JERSEY
PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4563503
NONE
06433583
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 7
Reel/Frame:004326/0070   Pages: 1
Recorded: 11/09/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WITMAN, MARK W.
Exec Dt:
05/16/1983
2
REINERT, GERARD E.
Exec Dt:
05/31/1983
Assignee
1
MOBAY CHEMICAL CORPORATION, A CORP OF NJ
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4506047
NONE
06501594
Correspondence name and address
ARON PREIS
MOBAY CHEMICAL CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:004480/0508   Pages: 1
Recorded: 11/26/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WITMAN, MARK W.
Exec Dt:
09/21/1983
Assignee
1
MOBAY CHEMICAL CORPORATION, A CORP OF NEW JERSEY
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4581397
NONE
06537203
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORPORATION
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:004296/0473   Pages: 1
Recorded: 09/04/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHMIDT, MANFRED
Exec Dt:
10/07/1983
2
WITMAN, MARK W.
Exec Dt:
10/07/1983
3
REINERT, GERARD E.
Exec Dt:
10/27/1983
4
LIM, IN C.
Exec Dt:
10/21/1983
Assignee
1
MOBAY CHEMICAL CORPORATION A CORP. OF NJ
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4500653
NONE
06531982
Correspondence name and address
PATENT DEPT.,
MOBAY CHEMICAL CORP.,
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:004347/0399   Pages: 1
Recorded: 01/11/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PRICE, RONALD L.
Exec Dt:
07/27/1984
2
WITMAN, MARK W.
Exec Dt:
07/27/1984
Assignee
1
MOBAY CHEMICAL CORPORATION, A NJ CORP.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4535143
NONE
06637945
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:004406/0702   Pages: 1
Recorded: 05/30/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHUNG, JAMES Y.J.
Exec Dt:
11/14/1984
2
NEURAY, DIETER
Exec Dt:
11/14/1984
3
WITMAN, MARK W.
Exec Dt:
11/16/1984
Assignee
1
MOBAY CHEMICAL CORPORATION
A NJ CORP
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4554314
NONE
06673057
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:004395/0062   Pages: 1
Recorded: 04/12/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PAUL, WINFRIED
Exec Dt:
03/13/1985
2
LOWER, HARTMUT
Exec Dt:
03/13/1985
3
MULLER, PETER R.
Exec Dt:
03/13/1985
4
WITMAN, MARK W.
Exec Dt:
03/13/1985
5
STORP, SIEGFRIED
Exec Dt:
03/13/1985
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP OF GERMANY
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4600632
NONE
06722581
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:004448/0972   Pages: 1
Recorded: 08/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOHLER, KARL-HEINZ
Exec Dt:
07/13/1985
2
WITMAN, MARK W.
Exec Dt:
07/24/1985
3
STIX, WOLFGANG
Exec Dt:
08/05/1985
4
KOHLER, KARL-HEINZ
Exec Dt:
08/05/1985
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4603170
NONE
06768628
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 14
Reel/Frame:004517/0674   Pages: 1
Recorded: 02/12/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PAUL, WINFRIED
Exec Dt:
01/23/1986
2
NOUVERTNE, WERNER
Exec Dt:
01/23/1986
3
LOWER, HARTMUT
Exec Dt:
02/03/1986
4
WITMAN, MARK W.
Exec Dt:
01/31/1986
5
GRIGO, ULRICH
Exec Dt:
01/23/1986
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4732949
NONE
06828470
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:004668/0582   Pages: 1
Recorded: 03/02/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GRIGO, ULRICH R.
Exec Dt:
06/04/1986
2
LAZEAR, NELSON R.
Exec Dt:
06/04/1986
3
WITMAN, MARK W.
Exec Dt:
06/04/1986
Assignee
1
MOBAY CORPORATION, A CORP OF NJ.
PITTSBURGH, PENNSYLVANIA
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4677162
NONE
06860955
 
4677162
NONE
06860955
Correspondence name and address
PATENT DEPT.
MOBAY CORP.
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:004836/0639   Pages: 1
Recorded: 02/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CARTER, RUSSELL P. JR.
Exec Dt:
02/12/1987
2
GRIGO, ULRICH
Exec Dt:
02/06/1987
3
KRISHNAN, SIVARAM
Exec Dt:
02/10/1987
4
WITMAN, MARK W.
Exec Dt:
02/11/1987
5
KIRCHER, KLAUS
Exec Dt:
02/06/1987
6
KRESS, HANS-JURGEN
Exec Dt:
02/11/1987
7
ALEWELT, WOLFGANG
Exec Dt:
02/06/1987
Assignees
1
MOBAY CORPORATION, A CORP. OF NEW JERSEY
PITTSBURGH, PENNSYLVANIA
2
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4753994
NONE
06936852
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORP.,
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 17
Reel/Frame:004764/0108   Pages: 1
Recorded: 10/05/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRIEK, GEORGE R.
Exec Dt:
02/23/1987
2
WITMAN, MARK W.
Exec Dt:
02/23/1987
Assignee
1
MOBAY CORPORATION
A CORP. OF NJ
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4732922
NONE
07019097
Correspondence name and address
MOBAY CORPORATION
ATTN: ARON PREIS
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 18
Reel/Frame:005816/0421   Pages: 2
Recorded: 08/26/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRISHNAN, SIVARAM
Exec Dt:
05/25/1991
2
PRICE, RONALD L.
Exec Dt:
05/25/1991
3
SHU, PETER H.C.
Exec Dt:
05/29/1991
4
WITMAN, MARK W.
Exec Dt:
06/20/1991
Assignee
1
MOBAY CORPORATION A CORP. OF PA
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087524
NONE
07519036
Correspondence name and address
ARON PREIS
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 19
Reel/Frame:017872/0890   Pages: 4
Recorded: 05/04/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITMAN, MARK W.
Exec Dt:
04/28/2006
2
PYLES, ROBERT A.
Exec Dt:
04/28/2006
3
ARCHEY, RICK L.
Exec Dt:
04/28/2006
4
VENTURA, JOSEPH D.
Exec Dt:
05/03/2006
Assignee
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8206463
US20070256255
11417720
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741

Search Results as of: 05/12/2024 07:31 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT