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 :
CHEN, FELIX K.
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 005531/0096 | |
| Pages: | 3 |
| | Recorded: | 11/15/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 277 PARK AVE., |
| NEW YORK,, NEW YORK 10172 |
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Pat #
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Intl #
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NONE
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07598482
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Correspondence name and address
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LEONARD W. POJUNAS, JR.
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SCHLUMBERGER-DOLL RESEARCH
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PATENT DEPARTMENT
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OLD QUARRY RD.
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RIDGEFIELD, CT 06877
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Assignment:
2
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| Reel/Frame: | 005574/0302 | |
| Pages: | 3 |
| | Recorded: | 12/14/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 277 PARK AVENUE |
| NEW YORK, NEW YORK 10172 |
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Pat #
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NONE
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07598298
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Correspondence name and address
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BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
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30 ROCKEFELLER PLAZA
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NEW YORK, NY 10112
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Assignment:
3
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| Reel/Frame: | 005843/0662 | |
| Pages: | 3 |
| | Recorded: | 09/04/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 5000 GULF FREEWAY, P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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Pat #
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NONE
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07754842
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Correspondence name and address
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SCHLUMBERGER TECHNOLOGY CORP.,
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ATTN: PATENT COUNSEL
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P. O. BOX 2175
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HOUSTON, TX 77252
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Assignment:
4
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| Reel/Frame: | 006317/0155 | |
| Pages: | 3 |
| | Recorded: | 09/08/1992 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 277 PARK AVENUE |
| NEW YORK, NEW YORK 10172 |
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Pat #
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Intl #
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App #
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NONE
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07941474
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Correspondence name and address
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LEONARD W. POJUNAS
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SCHLUMBERGER- DOLL RESEARCH
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PATENT DEPARTMENT
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OLD QUARRY ROAD
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RIDGEFIELD, CT 06877
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Assignment:
5
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| Reel/Frame: | 017968/0699 | |
| Pages: | 9 |
| | Recorded: | 07/20/2006 | | |
| Attorney Dkt #: | 60.1558 US NP |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 36 OLD QUARRY ROAD |
| RIDGEFIELD, CONNECTICUT 06877-4108 |
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Pat #
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App #
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11431317
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Correspondence name and address
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SCHLUMBERGER-DOLL RESEARCH
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36 OLD QUARRY ROAD
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RIDGEFIELD, CT 06877-4108
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05/24/2024 08:18 PM
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