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 : GEWISS, HEINZ-DIETMAR
Total Assignments: 8
Assignment: 1
Reel/Frame:016213/0558   Pages: 3
Recorded: 01/24/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MELCHIORS, MARTIN
Exec Dt:
11/11/2004
2
MUNZMAY, THOMAS
Exec Dt:
11/12/2004
3
STINGL, THOMAS
Exec Dt:
11/18/2004
4
OTTENSMANN, HARTMUT
Exec Dt:
12/15/2004
5
GEWISS, HEINZ-DIETMAR
Exec Dt:
11/15/2004
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7199178
US20050165145
11041774
Correspondence name and address
JOSEPH C. GIL
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 2
Reel/Frame:017226/0892   Pages: 2
Recorded: 11/09/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GERZMANN, ROLF
Exec Dt:
10/04/2005
2
GEWISS, HEINZ-DIETMAR
Exec Dt:
10/05/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060100332
11270218
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:017227/0036   Pages: 3
Recorded: 11/09/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GERTZMANN, ROLF
Exec Dt:
10/04/2005
2
GEWISS, HEINZ-DIETMAR
Exec Dt:
10/05/2005
3
MUNZMAY, THOMAS
Exec Dt:
10/10/2005
4
MELCHIORS, MARTIN
Exec Dt:
10/06/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060100348
11270234
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 4
Reel/Frame:025848/0420   Pages: 8
Recorded: 02/23/2011
Attorney Dkt #:15778-00111
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUENZMAY, THOMAS
Exec Dt:
02/08/2011
2
MELCHIORS, MARTIN
Exec Dt:
01/04/2011
3
HACKBARTH, SANDRA
Exec Dt:
01/06/2011
4
GEWISS, HEINZ-DIETMAR
Exec Dt:
01/02/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8119729
US20090105409
12177256
Correspondence name and address
MATTHEW W. HAMMERSLEY
1007 N. ORANGE STREET
WILMINGTON, DE 19801
Assignment: 5
Reel/Frame:041081/0867   Pages: 6
Recorded: 01/25/2017
Attorney Dkt #:074023-0552-US-513358
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRINNER, MARC CLAUDIUS
Exec Dt:
06/23/2016
2
GEWISS, HEINZ-DIETMAR
Exec Dt:
05/28/2014
3
STINGL, THOMAS
Exec Dt:
06/02/2014
4
MELCHIORS, MARTIN
Exec Dt:
06/02/2014
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9574078
US20140316051
14366277
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 6
Reel/Frame:034583/0525   Pages: 6
Recorded: 12/24/2014
Attorney Dkt #:074023-0551-US-513357
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRINNER, MARC CLAUDIUS
Exec Dt:
06/23/2014
2
GEWISS, HEINZ-DIETMAR
Exec Dt:
06/16/2014
3
YUVA, NUSRET
Exec Dt:
06/16/2014
4
MELCHIORS, MARTIN
Exec Dt:
06/18/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9593256
US20140316050
14365195
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801
Assignment: 7
Reel/Frame:035687/0845   Pages: 3
Recorded: 05/21/2015
Attorney Dkt #:074023-0612-US-525799
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHRINNER, MARC CLAUDIUS
Exec Dt:
04/13/2015
2
GEWISS, HEINZ-DIETMAR
Exec Dt:
03/25/2015
3
KLIPPERT, UWE
Exec Dt:
03/15/2015
4
MELCHIORS, MARTIN
Exec Dt:
03/25/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150291840
14438954
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 8
Reel/Frame:053845/0229   Pages: 14
Recorded: 09/22/2020
Attorney Dkt #:2017P30182WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/10/2020
2
BEUCK, SASKIA
Exec Dt:
03/19/2020
3
DOERR, SEBASTIAN
Exec Dt:
03/09/2020
4
LAAS, HANS-JOSEF
Exec Dt:
03/12/2020
5
YUVA, NUSRET
Exec Dt:
03/10/2020
6
GEWISS, HEINZ-DIETMAR
Exec Dt:
03/10/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210024680
17040071
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

Search Results as of: 06/06/2024 06:31 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