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 :
SASSENFELD, HELMUT M.
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 004105/0940 | |
| Pages: | 1 |
| | Recorded: | 03/03/1983 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| P.O. BOX 1045 |
| SKOKIE, ILLINOIS 60076 |
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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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06471917
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Correspondence name and address
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ROBERT H. BENSON
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G. D. SEARLE & CO.
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P. O. BOX 1045
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SKOKIE, IL 60076
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Assignment:
2
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| Reel/Frame: | 004403/0175 | |
| Pages: | 1 |
| | Recorded: | 05/09/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| POST OFFICE BOX 1045 |
| SKOKIE, ILLINOIS 60076 |
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Pat #
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Intl #
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App #
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NONE
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06732106
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Correspondence name and address
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JOHN J. MC DONNELL
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CORPORATE PATENT DEPARTMENT
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G. D. SEARLE & CO.
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P. O. BOX 1045
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SKOKIE, IL 60076
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Assignment:
3
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| Reel/Frame: | 005112/0936 | |
| Pages: | 1 |
| | Recorded: | 08/04/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 51 UNIVERSITY STREET |
| SEATTLE, WASHINGTON 98101 |
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Pat #
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Intl #
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App #
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NONE
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07374667
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Correspondence name and address
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SCOTT G. HALLQUIST
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IMMUNEX CORP.
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51 UNIVERSITY STREET
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SEATTLE, WA 98101
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Assignment:
4
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| Reel/Frame: | 012933/0095 | |
| Pages: | 3 |
| | Recorded: | 06/03/2002 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 51 UNIVERSITY STREET |
| SEATTLE, WASHINGTON 98101 |
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Pat #
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App #
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10080471
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Correspondence name and address
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IMMUNEX CORPORATION
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KATHLEEN FOWLER
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51 UNIVERSITY STREET
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LAW DEPARTMENT
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SEATTLE, WA 98101
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Assignment:
5
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| Reel/Frame: | 014680/0701 | |
| Pages: | 4 |
| | Recorded: | 06/01/2004 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1201 AMGEN COURT WEST |
| SEATTLE, WASHINGTON 98119 |
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Pat #
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Intl #
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App #
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NONE
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10740880
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Correspondence name and address
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IMMUNEX CORP.
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ROSEMARY SWEENEY
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1201 AMGEN COURT WEST
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LAW DEPT.
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SEATTLE, WA 98119-3105
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06/26/2025 07:00 PM
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