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Patent Assignment Assignor Details
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Assignor Name : SINGLETON, STEVEN D.
Total Assignments: 16
Assignment: 1
Reel/Frame:015392/0339   Pages: 3
Recorded: 11/19/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SINGLETON, STEVEN D.
Exec Dt:
10/21/2004
Assignee
1
KEY-TRAK, INC.
2405 COMMERCE AVENUE
SUITE 200
DULUTH, GEORGIA 30096
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7116228
NONE
10079920
Correspondence name and address
WOMBLE CARLYLE SANDRIDGE & RICE
P.O. BOX 7037
ATLANTA, GA 30357-0037
Assignment: 2
Reel/Frame:017256/0217   Pages: 5
Recorded: 03/06/2006
Attorney Dkt #:2046-052477
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
02/22/2006
2
POWELL, WARD T.
Exec Dt:
02/22/2006
3
URMSON, JR., W. THOMAS
Exec Dt:
02/22/2006
Assignee
1
PORTEC RAIL PRODUCTS, INC.
P.O. BOX 38250, 900 FREEPORT ROAD
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070068883
11234080
Correspondence name and address
THE WEBB LAW FIRM
436 SEVENTH AVENUE, 700 KOPPERS BUILDING
PITTSBURGH, PA 15212
Assignment: 3
Reel/Frame:021056/0892   Pages: 8
Recorded: 06/06/2008
Attorney Dkt #:2046-074587
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/22/2008
2
URMSON, W. THOMAS, JR.
Exec Dt:
05/22/2008
3
SCHNORR, CHARLES HENRY, III
Exec Dt:
05/22/2008
4
POWELL, WARD T.
Exec Dt:
05/22/2008
5
PETRIE, CHARLES A.
Exec Dt:
05/22/2008
Assignee
1
PORTEC RAIL PRODUCTS, INC.
P.O. BOX 38250, 900 FREEPORT ROAD
PITTSBURGH, PENNSYLVANIA 15238-8250
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080223661
12034871
Correspondence name and address
THE WEBB LAW FIRM PC
436 SEVENTH AVENUE, 700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 4
Reel/Frame:030879/0749   Pages: 6
Recorded: 07/25/2013
Attorney Dkt #:218430-343497
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/22/2008
2
URMSON, W. THOMAS, JR.
Exec Dt:
05/22/2008
3
SCHNORR, CHARLES HENRY, III
Exec Dt:
05/22/2008
4
POWELL, WARD T.
Exec Dt:
05/22/2008
5
PETRIE, CHARLES A.
Exec Dt:
05/22/2008
Assignee
1
PORTEC RAIL PRODUCTS, INC.
900 FREEPORT ROAD
PITTSBURGH, PENNSYLVANIA 15238-8250
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9022173
US20130341126
13935019
Correspondence name and address
JOSEPH V. COPPOLA, SR.
39400 WOODWARD AVENUE, SUITE 101
BLOOMFIELD HILLS, MI 48304
Assignment: 5
Reel/Frame:024443/0209   Pages: 7
Recorded: 05/26/2010
Attorney Dkt #:2046-091754
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
01/08/2010
2
LUCKE, CHRISTOPHER ALAN
Exec Dt:
01/08/2010
3
PETRIE, CHARLES A.
Exec Dt:
01/08/2010
4
URMSON, W. THOMAS, JR.
Exec Dt:
01/08/2010
Assignee
1
PORTEC RAIL PRODUCTS, INC.
900 FREEPORT ROAD
P.O. BOX 38250
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8783416
US20120126073
13063553
Correspondence name and address
PAUL M. REZNICK
436 SEVENTH AVENUE
700 KOPPERS BUILDING
PITTSBURGH, PA 15219
Assignment: 6
Reel/Frame:024384/0899   Pages: 11
Recorded: 05/14/2010
Attorney Dkt #:2046-100488
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/06/2010
2
URMSON, THOMAS, JR., W.
Exec Dt:
05/06/2010
3
APPLEBY, GLEN
Exec Dt:
04/19/2010
4
EADIE, DONALD T.
Exec Dt:
04/30/2010
5
OLDKNOW, KEVIN D.
Exec Dt:
04/30/2010
6
SANTORO, MARCO
Exec Dt:
04/21/2010
7
MAKOWSKY, ANTHONY W.
Exec Dt:
04/22/2010
8
ELVIDGE, DAVID R.
Exec Dt:
04/20/2010
9
SUCIU, STEFAN ALEXANDRU
Exec Dt:
04/19/2010
Assignee
1
PORTEC RAIL PRODUCTS, INC.
900 FREEPORT ROAD
P.O. BOX 38250
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100224449
12720209
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 7
Reel/Frame:024809/0287   Pages: 7
Recorded: 08/09/2010
Attorney Dkt #:2046-100191
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
06/22/2010
2
URMSON, W. THOMAS, JR.
Exec Dt:
06/22/2010
3
REDFIELD, MATTHEW P.
Exec Dt:
06/22/2010
4
LUCKE, CHRISTOPHER ALAN
Exec Dt:
06/22/2010
Assignee
1
PORTEC RAIL PRODUCTS, INC.
P.O. BOX 38250
900 FREEPORT ROAD
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8955645
US20100300810
12788971
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 8
Reel/Frame:038990/0631   Pages: 6
Recorded: 06/23/2016
Attorney Dkt #:00270.0099FPC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
06/22/2010
2
URMSON, W. THOMAS, JR.
Exec Dt:
06/22/2010
3
REDFIELD, MATTHEW P.
Exec Dt:
06/22/2010
4
LUCKE, CHRISTOPHER ALAN
Exec Dt:
06/22/2010
Assignee
1
PORTEC RAIL PRODUCTS, INC.
P.O. BOX 38250
900 FREEPORT ROAD
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9440665
US20150158509
14620406
Correspondence name and address
MARK T. SKOOG
P.O. BOX 2903
MINNEAPOLIS, MN 55402-0903
Assignment: 9
Reel/Frame:026056/0475   Pages: 7
Recorded: 03/31/2011
Attorney Dkt #:2046-110999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
03/18/2011
2
URMSON, W. THOMAS, JR.
Exec Dt:
03/22/2011
3
PETRIE, CHARLES A.
Exec Dt:
03/18/2011
4
LUCKE, CHRISTOPHER ALAN
Exec Dt:
03/21/2011
Assignee
1
PORTEC RAIL PRODUCTS, INC.
900 FREEPORT ROAD
P.O. BOX 38250
PITTSBURGH, PENNSYLVANIA 15238
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8783416
US20120126073
13063553
Correspondence name and address
THE WEBB LAW FIRM, P.C.
700 KOPPERS BUILDING
436 SEVENTH AVENUE
PITTSBURGH, PA 15219
Assignment: 10
Reel/Frame:042967/0922   Pages: 8
Recorded: 07/11/2017
Attorney Dkt #:18636.105008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/31/2017
2
URMSON, W. THOMAS
Exec Dt:
06/06/2017
3
REDFIELD, MATTHEW
Exec Dt:
06/06/2017
4
LUCKE, CHRISTOPHER A.
Exec Dt:
06/01/2017
Assignee
1
L.B. FOSTER RAIL TECHNOLOGIES, INC.
415 HOLIDAY DRIVE
PITTSBURGH, PENNSYLVANIA 15220
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10358153
US20170174235
15452484
Correspondence name and address
KING & SPALDING LLP
1185 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 11
Reel/Frame:043323/0026   Pages: 9
Recorded: 08/17/2017
Attorney Dkt #:6143-1702639
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
07/24/2017
2
BIELSKI, DONALD A.
Exec Dt:
07/31/2017
3
JUNK, RONALD K.
Exec Dt:
07/24/2017
4
MOSPAN, JOHN W.
Exec Dt:
07/24/2017
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD, SUITE 67
WILIMNGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
D885977
NONE
29604230
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 12
Reel/Frame:046524/0289   Pages: 8
Recorded: 08/01/2018
Attorney Dkt #:6143-1800761
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/01/2018
2
URMSON, W. THOMAS, JR.
Exec Dt:
07/25/2018
3
JUNK, RONALD K.
Exec Dt:
05/01/2018
4
MOSPAN, JOHN W.
Exec Dt:
05/01/2018
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180320323
15966398
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 13
Reel/Frame:054951/0388   Pages: 8
Recorded: 01/19/2021
Attorney Dkt #:6143-2007624
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
05/01/2018
2
URMSON, WILLIAM THOMAS, JR.
Exec Dt:
07/25/2018
3
JUNK, RONALD K.
Exec Dt:
05/01/2018
4
MOSPAN, JOHN W.
Exec Dt:
05/01/2018
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210148058
17151925
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 14
Reel/Frame:047797/0036   Pages: 9
Recorded: 12/17/2018
Attorney Dkt #:6143-1804708
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
10/31/2018
2
URMSON, JR., WILLIAM THOMAS
Exec Dt:
12/08/2018
3
MOSPAN, JOHN W.
Exec Dt:
11/01/2018
4
JUNK, RONALD K.
Exec Dt:
12/11/2018
5
BIELSKI, DONALD A.
Exec Dt:
11/01/2018
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10961665
US20190127923
16173370
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 15
Reel/Frame:062290/0445   Pages: 4
Recorded: 01/06/2023
Attorney Dkt #:06143-2206282
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SINGLETON, STEVEN D.
Exec Dt:
01/04/2023
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230110305
17959547
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 16
Reel/Frame:065852/0156   Pages: 8
Recorded: 12/13/2023
Attorney Dkt #:06143-2308208
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGLETON, STEVEN D.
Exec Dt:
12/07/2023
2
EATON, EVAN G.
Exec Dt:
12/07/2023
3
BIELSKI, DONALD A.
Exec Dt:
12/07/2023
4
AIRGOOD, BRANDON M.
Exec Dt:
12/07/2023
Assignee
1
KOPPERS DELAWARE, INC.
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240167231
18510368
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222

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