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Patent Assignment Assignee Details
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Assignee Name : KOPPERS DELAWARE, INC.
Total Assignments: 25
Assignment: 1
Reel/Frame:016865/0538   Pages: 3
Recorded: 12/07/2005
Attorney Dkt #:260714.20002.135410476017
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/12/2004
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10476017
Correspondence name and address
JODY L. BURTNER, SENIOR PARALEGAL
P.O. BOX 488
REED SMITH LLP
PITTSBURGH, PA 15230-0488
Assignment: 2
Reel/Frame:018230/0372   Pages: 3
Recorded: 09/11/2006
Attorney Dkt #:260714.20002.7224.01704
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/12/2004
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11127039
Correspondence name and address
MICHELLE PICHORA, PARALEGAL
P.O. BOX 488
PITTSBURGH, PA 15230-0488
Assignment: 3
Reel/Frame:018231/0286   Pages: 3
Recorded: 09/11/2006
Attorney Dkt #:260714.20002.72247033485
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/12/2004
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09853372
Correspondence name and address
MICHELLE PICHORA, PARALEGAL
P.O. BOX 488
REED SMITH LLP
PITTSBURGH, PA 15230-0488
Assignment: 4
Reel/Frame:018769/0507   Pages: 3
Recorded: 01/17/2007
Attorney Dkt #:260714.20022.135410858842
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/12/2004
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10858842
Correspondence name and address
JODY L. BURTNER, SENIOR PARALEGAL
P.O. BOX 488
REED SMITH LLP
PITTSBURGH, PA 15230-0488
Assignment: 5
Reel/Frame:023163/0345   Pages: 5
Recorded: 08/31/2009
Attorney Dkt #:260714.20001.1397 KOPPERS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/03/2009
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08207118
 
NONE
08300749
 
NONE
08665670
 
NONE
09161135
 
NONE
09273600
 
NONE
09689330
Correspondence name and address
KIRSTEN R. RYDSTROM
P.O. BOX 488
PITTSBURGH, PA 15230-0488
Assignment: 6
Reel/Frame:026341/0051   Pages: 13
Recorded: 05/26/2011
Attorney Dkt #:KOPPER 260714-20001(KRR)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/22/2010
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILMINGTON, DELAWARE 19809
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08246596
 
NONE
09089958
 
NONE
09723354
 
09941010
 
10838172
 
10838173
 
11269160
 
11375372
 
11503865
 
11900635
 
12199915
 
12353269
 
NONE
12479301
 
NONE
29181073
 
NONE
29221351
 
NONE
29236399
Correspondence name and address
KIRSTEN RYDSTROM, REED SMITH LLP
P.O. BOX 488
PITTSBURGH, PA 15230
Assignment: 7
Reel/Frame:029056/0075   Pages: 14
Recorded: 10/01/2012
Attorney Dkt #:6418-110242
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/22/2010
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13037483
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 8
Reel/Frame:032782/0001   Pages: 14
Recorded: 04/29/2014
Attorney Dkt #:6143-113069
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/22/2010
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13350886
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 9
Reel/Frame:030034/0084   Pages: 5
Recorded: 03/18/2013
Attorney Dkt #:6143-121142
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/29/2013
2
Exec Dt:
01/29/2013
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13723264
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 10
Reel/Frame:031671/0441   Pages: 6
Recorded: 11/25/2013
Attorney Dkt #:6143-132499
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/18/2013
2
Exec Dt:
09/18/2013
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14025370
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:033586/0727   Pages: 26
Recorded: 08/21/2014
Attorney Dkt #:0011046-301220
Conveyance: TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS
Assignor
1
Exec Dt:
08/15/2014
Assignees
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
2
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07704754
 
NONE
07832425
 
NONE
08156240
 
NONE
08513329
 
09853372
 
10476017
 
11388238
 
NONE
12280459
Correspondence name and address
DUANE A. STEWART III
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 12
Reel/Frame:033586/0956   Pages: 36
Recorded: 08/21/2014
Attorney Dkt #:0011046-301220
Conveyance: TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS AND TRADEMARKS
Assignor
1
Exec Dt:
08/15/2014
Assignees
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
2
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
3
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
4
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
5
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
6
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
7
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
8
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08207118
 
NONE
08246596
 
NONE
08300749
 
NONE
08665670
 
NONE
09089958
 
NONE
09161135
 
NONE
09273600
 
NONE
09689330
 
NONE
09723354
 
09941010
 
10838172
 
10838173
 
11269160
 
11375372
 
11503865
 
11900635
 
12199915
 
12353269
 
13037483
 
13350886
 
NONE
13473074
 
NONE
29181073
 
NONE
29221351
 
NONE
29236399
Correspondence name and address
DUANE A. STEWART III
301 GRANT STREET
20TH FLOOR
PITTSBURGH, PA 15219
Assignment: 13
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
Exec Dt:
07/24/2017
2
Exec Dt:
07/31/2017
3
Exec Dt:
07/24/2017
4
Exec Dt:
07/24/2017
Assignee
1
501 SILVERSIDE ROAD, SUITE 67
WILIMNGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
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: 14
Reel/Frame:044739/0454   Pages: 9
Recorded: 01/26/2018
Attorney Dkt #:6143-1704373
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/17/2017
2
Exec Dt:
08/16/2017
3
Exec Dt:
08/17/2017
4
Exec Dt:
08/16/2017
5
Exec Dt:
08/16/2017
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15592792
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 15
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
Exec Dt:
05/01/2018
2
Exec Dt:
07/25/2018
3
Exec Dt:
05/01/2018
4
Exec Dt:
05/01/2018
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
15966398
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 16
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
Exec Dt:
05/01/2018
2
Exec Dt:
07/25/2018
3
Exec Dt:
05/01/2018
4
Exec Dt:
05/01/2018
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17151925
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 17
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
Exec Dt:
10/31/2018
2
Exec Dt:
12/08/2018
3
Exec Dt:
11/01/2018
4
Exec Dt:
12/11/2018
5
Exec Dt:
11/01/2018
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16173370
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 18
Reel/Frame:052119/0125   Pages: 19
Recorded: 03/06/2020
Attorney Dkt #:1466/063
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2019
2
Exec Dt:
07/22/2019
3
Exec Dt:
07/22/2019
4
Exec Dt:
07/22/2019
5
Exec Dt:
07/22/2019
Assignee
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16520135
Correspondence name and address
BARRY I FRIEDMAN
535 SMITHFIELD STREET, SUITE 800
PITTSBURGH, PA 15222
Assignment: 19
Reel/Frame:062930/0149   Pages: 19
Recorded: 03/09/2023
Attorney Dkt #:1466/255
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2019
2
Exec Dt:
07/22/2019
3
Exec Dt:
07/22/2019
4
Exec Dt:
07/22/2019
5
Exec Dt:
07/22/2019
Assignee
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18115536
Correspondence name and address
JESSICA H. MOZINGO
535 SMITHFIELD STREET
SUITE 800
PITTSBURGH, PA 15222
Assignment: 20
Reel/Frame:062072/0654   Pages: 19
Recorded: 12/13/2022
Attorney Dkt #:1466/236
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/05/2019
2
Exec Dt:
07/22/2019
3
Exec Dt:
07/22/2019
4
Exec Dt:
07/22/2019
5
Exec Dt:
07/22/2019
Assignee
1
437 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17554366
Correspondence name and address
JESSICA MOZINGO
535 SMITHFIELD STREET - SUITE 800
PITTSBURGH, PA 15222
Assignment: 21
Reel/Frame:058407/0815   Pages: 4
Recorded: 12/16/2021
Attorney Dkt #:1466/254
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
12/13/2021
Assignee
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17300591
Correspondence name and address
BARRY I FRIEDMAN
535 SMITHFIELD STREET, SUITE 800
PITTSBURGH, PA 15222
Assignment: 22
Reel/Frame:060390/0207   Pages: 39
Recorded: 06/20/2022
Conveyance: RELEASE OF PATENT SECURITY INTERESTS
Assignor
1
Exec Dt:
06/17/2022
Assignees
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
2
1016 EVEREE INN ROAD
GRIFFIN, GEORGIA 30224
3
237 FORESTRY ROAD
EUTAWVILLE, SOUTH CAROLINA 29048
4
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
08513329
 
NONE
09089958
 
NONE
09577743
 
NONE
09688693
 
NONE
09723354
 
09853372
 
09932904
 
09941010
 
10074251
 
NONE
10360008
 
10476017
 
10539685
 
10660795
 
10704155
 
10821326
 
10838172
 
10838173
 
10961155
 
10961157
 
10970446
 
11046804
 
11053437
 
11375372
 
11436528
 
11467368
 
11503865
 
11526765
 
NONE
11849082
 
NONE
11894373
 
11900635
 
12153166
 
12209653
 
12213529
 
12240995
 
12353269
 
12458522
 
12473394
 
12691707
 
13037483
 
13074170
 
13161772
 
13266687
 
13347846
 
13350886
 
13446373
 
NONE
13473074
 
NONE
13498185
 
NONE
13723264
 
13777649
 
NONE
13813001
 
13861648
 
14025370
 
14069651
 
14226484
 
14263568
 
14328075
 
NONE
14447338
 
14608800
 
14995624
 
NONE
15286082
 
15314791
 
15327534
 
NONE
15335787
 
15592792
 
NONE
29181073
 
NONE
29221351
 
NONE
29236399
 
NONE
29604230
Correspondence name and address
CT CORPORATION
4400 EASTON COMMONS WAY
SUITE 125
COLUMBUS, OH 43219
Assignment: 23
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
Exec Dt:
01/04/2023
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17959547
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 24
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
Exec Dt:
12/07/2023
2
Exec Dt:
12/07/2023
3
Exec Dt:
12/07/2023
4
Exec Dt:
12/07/2023
Assignee
1
501 SILVERSIDE ROAD
SUITE 67
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18510368
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 25
Reel/Frame:066393/0832   Pages: 20
Recorded: 02/06/2024
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/03/2024
2
Exec Dt:
12/07/2023
3
Exec Dt:
12/13/2023
4
Exec Dt:
12/15/2023
5
Exec Dt:
12/07/2023
6
Exec Dt:
02/01/2024
7
Exec Dt:
12/17/2023
8
Exec Dt:
12/09/2023
Assignee
1
436 SEVENTH AVENUE
PITTSBURGH, PENNSYLVANIA 15219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17940725
Correspondence name and address
MR. WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222

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