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 :
ZIEGENHAIN, WILLIAM C.
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Total Assignments:
2
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Assignment:
1
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| Reel/Frame: | 004111/0359 | |
| Pages: | 1 |
| | Recorded: | 03/29/1983 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 1000 SOUTH PINE |
| PONCA CITY, OKLAHOMA 74601 |
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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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06480178
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Correspondence name and address
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ROBIN M. DOWLING
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PATENT AND LICENSING DIV.
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CONOCO INC., P. O. BOX 1267
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PONCA CITY, OK 74601
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Assignment:
2
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| Reel/Frame: | 005197/0751 | |
| Pages: | 1 |
| | Recorded: | 01/12/1990 | | |
| 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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07443373
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Correspondence name and address
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ROBERT B. STEVENSON
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PATENT DIVISION
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LEGAL DEPARTMENT
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E.I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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06/18/2024 01:35 PM
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