Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
BIFFAR, WERNER
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 004643/0433 | |
| Pages: | 1 |
| | Recorded: | 11/24/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 6700 LUDWIGSHAFEN |
| RHEINLAND-PFALZ, GERMANY |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06835271
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Correspondence name and address
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KEIL & WEINKAUF
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1101 CONNECTICUT AVE., N.W.
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WASHINGTON, DC 20036
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Assignment:
2
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| Reel/Frame: | 004778/0899 | |
| Pages: | 1 |
| | Recorded: | 10/30/1987 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ |
| GERMANY |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06875572
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Correspondence name and address
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KEIL AND WEINKAUF
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1101 CONNECTICUT AVENUE, N.W.
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WASHINGTON, DC 20036
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Assignment:
3
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| Reel/Frame: | 005091/0871 | |
| Pages: | 1 |
| | Recorded: | 05/01/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06875571
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Correspondence name and address
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KEIL AND WEINKAUF
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1101 CONNECTICUT AVENUE, N.W.
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WASHINGTON, DC 20036
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Assignment:
4
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| Reel/Frame: | 005140/0610 | |
| Pages: | 1 |
| | Recorded: | 09/11/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07326989
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Correspondence name and address
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KEIL & WEINKAUF
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1101 CONNECTICUT AVE., N.W.
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WASHINGTON, DC 20036
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Assignment:
5
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| Reel/Frame: | 015930/0131 | |
| Pages: | 3 |
| | Recorded: | 09/30/2004 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 67056 LUDWIGSHAFEN, GERMANY |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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10501874
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Correspondence name and address
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KEIL & WEINKAUF
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HERBERT B. KEIL
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1350 CONNECTICUT AVENUE, NW
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WASHINGTON, DC 200036
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