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Trademark Assignment Assignor Details

Assignor Name : KEYSTONE RETAINING WALL SYSTEMS, INC.

Total Assignments: 13

Assignment: 1

Reel/Frame:	1632/0785			Pages:	5
		Recorded:	09/17/1997
Conveyance:	SECURITY AGREEMENT

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	09/15/1997
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

U.S. BANK NATIONAL ASSOCIATION

601 SECOND AVENUE SOUTH

MINNEAPOLIS, MINNESOTA 55402

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73717628	1518009	74143799	NONE	74222272	1817535	75019297	2010139	75019514	2008512
75019515	2072726	75019517	2232524	75177990	2156217	75177991	NONE	75177992	NONE
75215622	NONE	75215623	NONE	75252251	NONE	75313318	2290787

Correspondence name and address
	FABYANSKE, WESTRA & HART, P.A.
	JEREMIAH J. KEARNEY, ESQ.
	920 SECOND AVENUE SOUTH
	#1100
	MINNEAPOLIS, MN 55402

Assignment: 2

Reel/Frame:	1650/0423			Pages:	6
		Recorded:	10/31/1997
Conveyance:	SECURITY INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	09/15/1997
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

U.S. BANK NATIONAL ASSOCIATION

601 SECOND AVENUE SOUTH

MINNEAPOLIS, MINNESOTA 55402

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73717628	1518009	74222272	1817535	75019297	2010139	75019514	2008512	75019515	2072726
75019517	2232524	75177990	2156217	75177991	NONE	75177992	NONE	75215622	NONE
75215623	NONE	75252251	NONE	75313318	2290787

Correspondence name and address
	FABYANSKE, WESTRA & HART, P.A.
	JEREMIAH J. KEARNEY
	920 SECOND AVENUE SOUTH
	SUITE 1100
	MINNEAPOLIS, MN 55402

Assignment: 3

Reel/Frame:	2101/0061	View Recorded Assignment		Pages:	20
		Recorded:	06/14/2000
Conveyance:	MERGER

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	12/22/1999
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

MELLON BANK, N.A.

SIXTH FLOOR

1735 MARKET STREET

PHILADELPHIA, PENNSYLVANIA 19103

Entity Type:	NATIONAL ASSOCIATION
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74369771	1847535	75019297	2010139	75019514	2008512	75019515	2072726	75019517	2232524
75177990	2156217	75313318	2290787

Correspondence name and address
	BLANK ROME COMISKY & MCCAULEY LLP
	DAVID M. PERRY
	ONE LOGAN SQUARE
	PHILADELPHIA, PENNSYLVANIA 19103

Assignment: 4

Reel/Frame:	2990/0032	View Recorded Assignment		Pages:	3
		Recorded:	12/10/2004
Conveyance:	SECURITY INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	12/22/1999
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

MELLON BANK, N.A.

1735 MARKET STREET

SIXTH FLOOR

PHILADELPHIA, PENNSYLVANIA 19103

Entity Type:	NATIONAL ASSOCIATION
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
75019297	2010139	75019514	2008512	75019515	2072726	75019517	2232524	75177990	2156217
75313318	2290787	81847535	1847535

Correspondence name and address
	BLANK ROME COMISKY & MCCAULEY LLP
	DAVID M. PERRY, ESQUIRE
	ONE LOGAN SQUARE
	PHILADELPHIA, PA 19103

Assignment: 5

Reel/Frame:	2137/0322	View Recorded Assignment		Pages:	2
		Recorded:	08/24/2000
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	08/16/2000
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

PETRATECH, INC.

4444 WEST 78TH STREET

MINNEAPOLIS, MINNESOTA 55435

Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Property

	Ser. #	Reg. #
	75656381	2368092

Correspondence name and address
	DORSEY & WHITNEY LLP
	JAMIE NAFZIGER
	220 SOUTH SIXTH STREET
	MINNEAPOLIS, MN 55402

Assignment: 6

Reel/Frame:	2762/0094	View Recorded Assignment		Pages:	6
		Recorded:	12/11/2003
Conveyance:	NOTICE OF GRANT OF SECURITY INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	10/31/2003
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT

201 S. COLLEGE STREET

CHARLOTTE PLAZA, CP-8

CHARLOTTE, NORTH CAROLINA 28288-0680

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	UNITED STATES

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74369771	2468614	75019515	2072726	75019517	2232524	75177990	2156217	75313318	2290787
75926127	2414204	75942233	2577249	76135030	2655602

Correspondence name and address
	MOORE & VAN ALLEN PLLC
	2200 WEST MAIN STREET
	SUITE 800
	DURHAM, NC 27705

Assignment: 7

Reel/Frame:	3027/0308	View Recorded Assignment		Pages:	6
		Recorded:	02/10/2005
Conveyance:	NOTICE OF GRANT OF SECURITY INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	12/07/2004
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT

201 SOUTH COLLEGE STREET

CP-8

CHARLOTTE, NORTH CAROLINA 28288

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	UNITED STATES

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74369771	2468614	75019515	2072726	75019517	2232524	75177990	2156217	75313318	2290787
75926127	2414204	75942233	2577249	76135030	2655602	78324236	2979499	78324252	NONE
78438648	NONE	78438669	3096595	78484566	3269175

Correspondence name and address
	MOORE & VAN ALLEN PLLC
	430 DAVIS DRIVE
	SUITE 500
	MORRISVILLE, NC 27560

Assignment: 8

Reel/Frame:	3219/0648	View Recorded Assignment		Pages:	4
		Recorded:	01/03/2006
Attorney Dkt #:	512485.1266NTKEYSTONEJES
Conveyance:	NOTICE OF GRANT OF SECURITY INTEREST

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	12/07/2004
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT

201 SOUTH COLLEGE STREET

CP-8

CHARLOTTE, NORTH CAROLINA 28288

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	UNITED STATES

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
78566977	3269376	78566993	3144403	78566996	3065698	78567012	3055148	78616405	NONE
78616453	NONE	78616490	NONE	78616491	NONE	78616493	3231066	78620236	NONE

Correspondence name and address
	MOORE & VAN ALLEN PLLC
	430 DAVIS DRIVE
	SUITE 500
	MORRISVILLE, NC 27560

Assignment: 9

Reel/Frame:	3263/0149	View Recorded Assignment		Pages:	22
		Recorded:	03/08/2006
Conveyance:	TRADEMARK SECURITY AGREEMENT

Assignors

BILTOLAST PRODUCTS, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	ALABAMA

ARMORTEC, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CONTECH TECHNOLOGIES, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	DELAWARE

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

PETRATECH, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

STORMWATER MANAGEMENT, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	OREGON

VORTECHNICS, INC.

Exec Dt:	01/31/2006
Entity Type:	CORPORATION
Citizenship:	MAINE

Assignee

WACHOVIA BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT

201 SOUTH COLLEGE STREET

CHARLOTTE, NORTH CAROLINA 28288-0680

Entity Type:	NATIONAL BANKING ASSOCIATION
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71527685	504561	71527730	503738	71631397	577337	71657996	604998	71657997	600902
71698119	628923	72086862	702283	72146063	758281	72200266	792813	73412473	1272730
73522585	1352839	73528343	1361927	73664827	1472307	73679335	1483048	73679345	1507784
73679346	1483434	73688309	1489859	73762162	1541217	74027430	1620810	74329477	1783843
74369512	1853030	74369771	2468614	74414706	1868277	74485901	1903360	74490329	1975254
74575292	2006814	74645754	1949179	74721969	1996925	75019515	2072726	75019517	2232524
75177990	2156217	75251524	2154805	75313318	2290787	75320991	2236485	75363234	2223901
75434100	2315408	75656381	2368092	75839957	2406034	75897176	2415852	75926127	2414204
75942233	2577249	76020557	2444406	76020747	2444407	76020748	2444408	76078318	2554005
76135030	2655602	76225765	2571222	76262421	2620637	76276880	2784711	76312401	2670588
76348183	2701996	76382341	2799741	76426001	2715574	76445645	2809956	76462483	NONE
76593660	2966089	76593661	2964839	76623700	NONE	78099985	2861236	78283673	2940874
78302257	2929839	78304113	2945916	78304119	2990742	78311130	3039988	78324236	2979499
78324252	NONE	78394399	NONE	78438648	NONE	78438669	3096595	78449980	3130808
78454968	2997806	78484566	3269175	78492476	NONE	78501485	3137952	78501951	NONE
78505153	NONE	78508299	NONE	78509356	3189953	78516948	3121940	78521272	3054028
78521296	3398383	78521320	3100219	78521611	3054032	78522046	NONE	78522053	3041420
78527564	3046044	78536461	3260004	78547518	3288672	78566977	3269376	78566993	3144403
78566996	3065698	78567012	3055148	78585016	3138228	78590088	3319828	78593280	3172384
78616405	NONE	78616453	NONE	78616490	NONE	78616491	NONE	78616493	3231066
78620236	NONE	78656602	NONE	78662898	NONE	78755445	3304138	78766545	3379462
78768995	3168264	78768997	3168265	78768998	3168266	78773032	3168387	78773042	3168388
78773143	3168391

Correspondence name and address
	CORPORATION SERVICE COMPANY
	1133 AVENUE OF THE AMERICAS
	SUITE 3100
	NEW YORK, NY 10036

Assignment: 10

Reel/Frame:	4254/0440	View Recorded Assignment		Pages:	15
		Recorded:	08/04/2010
Attorney Dkt #:	049089-0065
Conveyance:	SECURITY INTEREST

Assignors

ARMORTEC, LLC

Formerly: FORMERLY ARMORTEC, INC.

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

CONTECH CONSTRUCTION PRODUCTS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	OHIO

CONTECH BRIDGE SOLUTIONS INC.

Formerly: FORMERLY CONTECH ARCH TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CDS TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CONTECH EARTH STABILIZATION SOLUTIONS INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CONTECH TECHNOLOGIES, LLC

Formerly: FORMERLY CONTECH TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

CONTECH TRUCKING & LOGISTICS, LLC

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

SAFETY PRECAST, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	TEXAS

SUPERIOR DRAINAGE, L.L.C.

Exec Dt:	07/10/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	FLORIDA

WEST TEXAS CULVERTS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	TEXAS

THOMPSON CULVERT COMPANY

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MISSOURI

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

ALLIANCE CONSTRUCTION TECHNOLOGIES INC. A/K/A ALLIANCE CONSTRUCTION PRODUCTS INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

WELLS FARGO BANK, N.A.

1525 WEST W.T. HARRIS BLVD.

CHARLOTTE, NORTH CAROLINA 28262

Entity Type:	NATIONAL ASSOCIATION: UNITED STATES
Citizenship:	UNITED STATES

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71527685	504561	71527730	503738	71631397	577337	71657996	604998	71657997	600902
71698119	628923	72086862	702283	72146063	758281	72200266	792813	73412473	1272730
73522585	1352839	73528343	1361927	73664827	1472307	73679335	1483048	73679345	1507784
73679346	1483434	73688309	1489859	73762162	1541217	74027430	1620810	74329477	1783843
74369771	2468614	74414706	1868277	74485901	1903360	74490329	1975254	74575292	2006814
74645754	1949179	74721969	1996925	75019515	2072726	75019517	2232524	75177990	2156217
75187262	2197009	75251524	2154805	75313318	2290787	75363234	2223901	75656381	2368092
75839957	2406034	75897176	2415852	75926127	2414204	75942233	2577249	76078318	2554005
76135030	2655602	76225765	2571222	76276880	2784711	76312401	2670588	76445645	2809956
76462483	NONE	76623700	NONE	76654282	3190760	77177740	3372047	77189357	3441950
77213917	NONE	77330349	NONE	77453651	3617286	77453656	3677408	77669512	3672804
77686737	3797074	77688185	4132216	77717230	NONE	77823925	NONE	78099985	2861236
78283673	2940874	78324236	2979499	78324252	NONE	78438648	NONE	78438669	3096595
78449980	3130808	78484566	3269175	78492476	NONE	78501485	3137952	78501951	NONE
78505153	NONE	78508299	NONE	78516948	3121940	78521272	3054028	78521296	3398383
78521320	3100219	78521611	3054032	78522046	NONE	78522053	3041420	78527564	3046044
78536461	3260004	78547518	3288672	78566977	3269376	78566993	3144403	78566996	3065698
78567012	3055148	78590088	3319828	78616405	NONE	78616453	NONE	78616490	NONE
78616491	NONE	78616493	3231066	78616493	3231066	78620236	NONE	78755445	3304138
78766545	3379462	78768995	3168264	78768995	3168264	78768997	3168265	78768998	3168266
78773032	3168387	78773042	3168388	78773143	3168391	78832454	3376008	78860558	3510060
78860560	3510061	78860561	3510062	78860562	3510063	78865453	3208860	78901575	3209243
78930892	3242221	78949352	3400096	78972182	3464620

Correspondence name and address
	CATHERINE R. HOWELL, SENIOR PARALEGAL
	1111 PENNSYLVANIA AVE., N.W.; ATTN: TMSU
	MORGAN, LEWIS & BOCKIUS LLP
	WASHINGTON, DC 20004

Assignment: 11

Reel/Frame:	4255/0196	View Recorded Assignment		Pages:	14
		Recorded:	08/05/2010
Attorney Dkt #:	049089-0065
Conveyance:	SECURITY INTEREST

Assignors

CONTECH STORMWATER SOLUTIONS INC.

Formerly: FORMERLY STORMWATER 360

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

ARMORTEC, LLC

Formerly: FORMERLY ARMORTEC, INC.

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

CONTECH CONSTRUCTION PRODUCTS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	OHIO

CONTECH BRIDGE SOLUTIONS INC.

Formerly: FORMERLY CONTECH ARCH TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CDS TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CONTECH EARTH STABILIZATION SOLUTIONS INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

CONTECH TECHNOLOGIES, LLC

Formerly: FORMERLY CONTECH TECHNOLOGIES, INC.

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

CONTECH TRUCKING & LOGISTICS, LLC

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	DELAWARE

SAFETY PRECAST, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	TEXAS

SUPERIOR DRAINAGE, L.L.C.

Exec Dt:	07/20/2010
Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	FLORIDA

WEST TEXAS CULVERTS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	TEXAS

THOMPSON CULVERT COMPANY

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MISSOURI

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

ALLIANCE CONSTRUCTION TECHNOLOGIES INC. A/K/A ALLIANCE CONSTRUCTION PRODUCTS INC.

Exec Dt:	07/20/2010
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

WELLS FARGO BANK, N.A.

1525 WEST W.T. HARRIS BLVD.

CHARLOTTE, NORTH CAROLINA 28262

Entity Type:	NATIONAL ASSOCIATION: UNITED STATES
Citizenship:	UNITED STATES

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74369512	1853030	75320991	2236485	75434100	2315408	76020557	2444406	76020747	2444407
76020748	2444408	76262421	2620637	76348183	2701996	76382341	2799741	76593660	2966089
76593661	2964839	77290417	3558593	77533543	3667668	77603221	4436701	77603228	4305459
77820697	3958704	78302257	2929839	78304113	2945916	78304119	2990742	78311130	3039988
78394399	NONE	78454968	2997806	78509356	3189953	78585016	3138228	78590088	3319828
78593280	3172384	78656602	NONE	78662898	NONE

Correspondence name and address
	CATHERINE R. HOWELL, SENIOR PARALEGAL
	1111 PENNSYLVANIA AVE., N.W.; ATTN: TMSU
	MORGAN, LEWIS & BOCKIUS LLP
	WASHINGTON, DC 20004

Assignment: 12

Reel/Frame:	4710/0358	View Recorded Assignment		Pages:	7
		Recorded:	02/03/2012
Conveyance:	CERTIFICATE OF CONVERSION

Assignor

KEYSTONE RETAINING WALL SYSTEMS, INC.

Exec Dt:	01/19/2012
Entity Type:	CORPORATION
Citizenship:	MINNESOTA

Assignee

KEYSTONE RETAINING WALL SYSTEMS LLC

4444 WEST 78TH STREET

EDINA, MINNESOTA 55435

Entity Type:	LIMITED LIABILITY COMPANY
Citizenship:	MINNESOTA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
74369771	2468614	75019515	2072726	75019517	2232524	75926127	2414204	75942233	2577249
77669512	3672804	77686737	3797074	77688185	4132216	77717230	NONE	78266080	2931881
78324236	2979499	78438669	3096595	78484566	3269175	78522053	3041420	78566977	3269376
78566993	3144403	78566996	3065698	78567012	3055148	78616493	3231066	78755445	3304138
78766545	3379462	78865453	3208860	78901575	3209243	78949352	3400096	78972182	3464620
85097919	4027872	85114600	3940899	85350104	NONE	85350109	4258525	85350111	4403785
85350113	4211183	85350117	NONE	85350120	NONE	85350128	NONE	85350131	4799924
85350135	4659890	85356557	4211229	85356559	NONE	85363868	4547946	85517862	NONE