Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
DUECKER, HEYMAN C.
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Total Assignments:
2
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Assignment:
1
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| Reel/Frame: | 003974/0458 | |
| Pages: | 1 |
| | Recorded: | 04/12/1982 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 62 WHITTEMORE AVE. |
| CAMBRIDGE 40, MASSACHUSETTS |
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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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06324338
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Correspondence name and address
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W. L. BAKER, PAT. DEPT.
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62 WHITTEMORE AVE.
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CAMBRIDGE, MA 02140
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Assignment:
2
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| Reel/Frame: | 007850/0944 | |
| Pages: | 8 |
| | Recorded: | 03/18/1996 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 1114 AVENUE OF THE AMERICAS |
| NEW YORK, NEW YORK 10036 |
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Pat #
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Intl #
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App #
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NONE
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08486425
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Correspondence name and address
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W. R. GRACE & CO.-CONN.
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CRAIG K. LEON
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55 HAYDEN AVENUE
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LEXINGTON, MA 02173
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05/23/2024 11:25 PM
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