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Patent Assignment Assignor Details
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Assignor Name : TOMCZYK, CHRISTOPH
Total Assignments: 15
Assignment: 1
Reel/Frame:045119/0085   Pages: 7
Recorded: 03/06/2018
Attorney Dkt #:COV161105US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/21/2017
2
Exec Dt:
03/05/2018
3
Exec Dt:
03/05/2018
4
Exec Dt:
01/24/2018
5
Exec Dt:
01/10/2018
6
Exec Dt:
01/10/2018
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15812116
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:062700/0621   Pages: 5
Recorded: 02/15/2023
Attorney Dkt #:2016P30102WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/10/2019
2
Exec Dt:
05/09/2019
3
Exec Dt:
05/11/2019
4
Exec Dt:
05/09/2019
5
Exec Dt:
05/09/2019
6
Exec Dt:
05/10/2019
7
Exec Dt:
05/14/2019
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16463528
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:049952/0164   Pages: 4
Recorded: 08/04/2019
Attorney Dkt #:074023-0853-US-589288
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/21/2019
2
Exec Dt:
05/20/2019
3
Exec Dt:
05/21/2019
4
Exec Dt:
05/27/2019
5
Exec Dt:
05/20/2019
6
Exec Dt:
05/20/2019
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16349470
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 4
Reel/Frame:050131/0181   Pages: 17
Recorded: 08/22/2019
Attorney Dkt #:074023-0855-US-589177
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/08/2019
2
Exec Dt:
07/05/2019
3
Exec Dt:
05/22/2019
4
Exec Dt:
05/22/2019
5
Exec Dt:
06/03/2019
6
Exec Dt:
05/27/2019
7
Exec Dt:
05/22/2019
8
Exec Dt:
07/05/2019
9
Exec Dt:
05/24/2019
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16349358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 5
Reel/Frame:050488/0608   Pages: 15
Recorded: 09/25/2019
Attorney Dkt #:074023-0891-US-593266
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/10/2019
2
Exec Dt:
07/10/2019
3
Exec Dt:
07/05/2019
4
Exec Dt:
07/02/2019
5
Exec Dt:
07/08/2019
6
Exec Dt:
07/08/2019
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16497562
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE
SUITE 1410
WILMINGTON, DE 19801
Assignment: 6
Reel/Frame:052389/0275   Pages: 7
Recorded: 04/14/2020
Attorney Dkt #:2017P30060WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/15/2019
2
Exec Dt:
10/22/2019
3
Exec Dt:
11/15/2019
4
Exec Dt:
10/22/2019
5
Exec Dt:
10/15/2019
6
Exec Dt:
10/15/2019
7
Exec Dt:
01/23/2020
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16621761
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 7
Reel/Frame:052346/0155   Pages: 7
Recorded: 04/08/2020
Attorney Dkt #:2017P30099WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/21/2019
2
Exec Dt:
12/03/2019
3
Exec Dt:
11/21/2019
4
Exec Dt:
01/23/2020
5
Exec Dt:
11/21/2019
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16754561
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:052558/0430   Pages: 8
Recorded: 05/04/2020
Attorney Dkt #:2017P30107WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/28/2020
2
Exec Dt:
01/30/2020
3
Exec Dt:
01/28/2020
4
Exec Dt:
01/28/2020
5
Exec Dt:
02/06/2020
6
Exec Dt:
01/30/2020
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16761287
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:052722/0280   Pages: 8
Recorded: 05/21/2020
Attorney Dkt #:2017P30151WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/28/2020
2
Exec Dt:
01/30/2020
3
Exec Dt:
01/28/2020
4
Exec Dt:
01/28/2020
5
Exec Dt:
01/30/2020
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16765947
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:063002/0981   Pages: 11
Recorded: 03/16/2023
Attorney Dkt #:10139-2300725
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/11/2020
2
Exec Dt:
07/28/2020
3
Exec Dt:
07/23/2020
4
Exec Dt:
07/29/2020
5
Exec Dt:
07/23/2020
6
Exec Dt:
07/23/2020
7
Exec Dt:
03/15/2023
8
Exec Dt:
07/23/2020
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16462268
Correspondence name and address
THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 11
Reel/Frame:055535/0861   Pages: 3
Recorded: 03/09/2021
Attorney Dkt #:2018P30113WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/18/2020
2
Exec Dt:
11/18/2020
3
Exec Dt:
11/18/2020
4
Exec Dt:
11/18/2020
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17274208
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 12
Reel/Frame:054874/0564   Pages: 5
Recorded: 01/11/2021
Attorney Dkt #:2016P30101WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/15/2020
2
Exec Dt:
12/15/2020
3
Exec Dt:
12/15/2020
4
Exec Dt:
01/04/2021
5
Exec Dt:
12/15/2020
6
Exec Dt:
12/15/2020
7
Exec Dt:
01/07/2021
8
Exec Dt:
01/11/2021
9
Exec Dt:
01/04/2021
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16463627
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:055955/0331   Pages: 5
Recorded: 04/19/2021
Attorney Dkt #:2018P30142WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/25/2021
2
Exec Dt:
01/19/2021
3
Exec Dt:
01/19/2021
4
Exec Dt:
01/19/2021
5
Exec Dt:
01/25/2021
6
Exec Dt:
01/19/2021
7
Exec Dt:
01/25/2021
8
Exec Dt:
01/19/2021
9
Exec Dt:
01/19/2021
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
17286512
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:057502/0635   Pages: 12
Recorded: 09/16/2021
Attorney Dkt #:074023-0854-US-589213
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/19/2021
2
Exec Dt:
08/27/2021
3
Exec Dt:
08/19/2021
4
Exec Dt:
08/19/2021
5
Exec Dt:
08/19/2021
6
Exec Dt:
08/23/2021
7
Exec Dt:
08/30/2021
8
Exec Dt:
08/19/2021
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 513173
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16349322
Correspondence name and address
FAEGRE DRINKER BIDDLE REATH LLP
222 DELAWARE AVE SUITE SUITE 1410
WILMINGTON, DE 19801
Assignment: 15
Reel/Frame:057503/0769   Pages: 12
Recorded: 09/16/2021
Attorney Dkt #:074023-0856-US-589185
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/08/2021
2
Exec Dt:
09/08/2021
3
Exec Dt:
09/08/2021
4
Exec Dt:
09/08/2021
5
Exec Dt:
09/08/2021
6
Exec Dt:
09/08/2021
7
Exec Dt:
09/08/2021
8
Exec Dt:
09/08/2021
Assignee
1
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16349373
Correspondence name and address
FAEGRE DRINKER BIDDLE REATH LLP
222 DELAWARE AVE SUITE SUITE 1410
WILMINGTON, DE 19801

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