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 :
CAMPBELL, DAVID W.
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Total Assignments:
4
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Assignment:
1
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| Reel/Frame: | 004518/0791 | |
| Pages: | 1 |
| | Recorded: | 02/18/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 1000 SOUTH PINE |
| PONCA CITY, OKLAHOMA 74603 |
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NONE
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06830037
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Correspondence name and address
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CORTLAND SCHUPBACH
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PATENT & LICENSING DIV.
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CONOCO, INC.
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4000 BROWNSVILLE ROAD
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LIBRARY, PA 15129
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Assignment:
2
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| Reel/Frame: | 004583/0284 | |
| Pages: | 1 |
| | Recorded: | 06/19/1986 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP. OF DE. |
| WILMINGTON, DELAWARE |
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NONE
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06876058
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Correspondence name and address
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CONOCO INC.,
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COAL RESEARCH DIVISION
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4000 BROWNSVILLE ROAD
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LIBRARY, PA 15129
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Assignment:
3
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| Reel/Frame: | 008882/0145 | |
| Pages: | 5 |
| | Recorded: | 11/11/1997 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 6011-92 STREET |
| EDMONTON, ALBERTA, CANADA T6E 3 |
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NONE
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08967439
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Correspondence name and address
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RODMAN & RODMAN
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PHILIP RODMAN
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7 SOUTH BROADWAY
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WHITE PLAINS, NY 10601
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Assignment:
4
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| Reel/Frame: | 010709/0103 | |
| Pages: | 6 |
| | Recorded: | 03/28/2000 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 6011 - 92 STREET |
| EDMONTON, ALBERTA, CANADA T6E 3 |
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NONE
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09095041
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Correspondence name and address
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FIELD ATKINSON PERRATON
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TERRENCE N. KUHARCHUK
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2000 OXFORD TOWER, 10235 - 101 STREET
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EDMONTON, ALBERTA
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CANADA T5J 3G1
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