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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : BAYER AKTIENGESELLSCHAFT, A CORP.OF GERMANY
Total Assignments: 22
Assignment: 1
Reel/Frame:003862/0477   Pages: 1
Recorded: 12/22/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/10/1980
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06219154
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:003867/0460   Pages: 1
Recorded: 02/19/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/09/1981
2
Exec Dt:
02/09/1981
3
Exec Dt:
02/09/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06235495
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH
KRAMER, 600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:003867/0461   Pages: 1
Recorded: 02/19/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/09/1981
2
Exec Dt:
02/09/1981
3
Exec Dt:
02/09/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06235496
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH
& KRAMER, 600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:003871/0984   Pages: 1
Recorded: 03/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/12/1981
2
Exec Dt:
02/12/1981
3
Exec Dt:
02/12/1981
4
Exec Dt:
02/12/1981
5
Exec Dt:
02/12/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06242076
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 5
Reel/Frame:003925/0744   Pages: 1
Recorded: 02/23/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/12/1981
2
Exec Dt:
02/12/1981
3
Exec Dt:
02/12/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06236484
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:003877/0116   Pages: 1
Recorded: 03/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/18/1981
2
Exec Dt:
02/18/1981
3
Exec Dt:
02/18/1981
4
Exec Dt:
02/18/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06241878
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PKWY., W.
PITTSBURGH, PA 15205
Assignment: 7
Reel/Frame:003875/0878   Pages: 1
Recorded: 03/06/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/19/1981
2
Exec Dt:
02/19/1981
3
Exec Dt:
02/23/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06241148
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:003873/0388   Pages: 1
Recorded: 03/19/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/05/1981
2
Exec Dt:
03/05/1981
3
Exec Dt:
03/05/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06245412
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH
& KRAMER
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:003874/0629   Pages: 1
Recorded: 03/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/06/1981
2
Exec Dt:
03/06/1981
3
Exec Dt:
03/06/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06247414
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 10
Reel/Frame:003874/0630   Pages: 1
Recorded: 03/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/06/1981
2
Exec Dt:
03/09/1981
3
Exec Dt:
03/10/1981
4
Exec Dt:
03/10/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06247413
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:003874/0648   Pages: 1
Recorded: 03/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/06/1981
2
Exec Dt:
03/06/1981
3
Exec Dt:
03/06/1981
4
Exec Dt:
03/06/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06247416
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 12
Reel/Frame:003874/0631   Pages: 1
Recorded: 03/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/13/1981
2
Exec Dt:
03/13/1981
3
Exec Dt:
03/13/1981
4
Exec Dt:
03/13/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06247411
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 13
Reel/Frame:003877/0417   Pages: 1
Recorded: 03/30/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/17/1981
2
Exec Dt:
03/17/1981
3
Exec Dt:
03/17/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06249249
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 3RD AVE.
NEW YORK, NY 10016
Assignment: 14
Reel/Frame:003876/0581   Pages: 1
Recorded: 04/02/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/27/1981
2
Exec Dt:
03/27/1981
3
Exec Dt:
03/27/1981
4
Exec Dt:
03/27/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06250363
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 15
Reel/Frame:003887/0847   Pages: 1
Recorded: 05/06/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/24/1981
2
Exec Dt:
04/24/1981
3
Exec Dt:
04/24/1981
4
Exec Dt:
04/24/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06261082
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 16
Reel/Frame:003914/0101   Pages: 1
Recorded: 08/27/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/12/1981
2
Exec Dt:
08/12/1981
3
Exec Dt:
08/12/1981
4
Exec Dt:
08/12/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06296677
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:003914/0089   Pages: 1
Recorded: 08/27/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/17/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06296661
Correspondence name and address
SPRUNG, FELFE, HORN,
LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 18
Reel/Frame:003928/0312   Pages: 1
Recorded: 09/30/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/21/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06307255
Correspondence name and address
SPRUNG, FELFE, HORN, LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 19
Reel/Frame:003973/0969   Pages: 1
Recorded: 01/29/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
01/19/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06344120
Correspondence name and address
MOBAY CHEMICAL CORP.
PENN LINCOLN PKWY. WEST
PITTSBURGH, PA 15205
Assignment: 20
Reel/Frame:003978/0371   Pages: 1
Recorded: 02/26/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/17/1982
2
Exec Dt:
02/17/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06352722
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 21
Reel/Frame:004133/0894   Pages: 1
Recorded: 05/20/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/04/1983
2
Exec Dt:
05/04/1983
3
Exec Dt:
05/04/1983
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06496715
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 22
Reel/Frame:004166/0179   Pages: 1
Recorded: 08/17/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/29/1983
2
Exec Dt:
07/29/1983
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06523968
Correspondence name and address
CONNOLLY & HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899

Search Results as of: 05/09/2024 09:49 PM
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