Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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06/25/2002
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Application #:
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09523519
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Filing Dt:
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03/10/2000
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Inventors:
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Michael Fefer, Lorne Pierson
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Title:
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DRILLING FLUID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2489 NORTH SHERIDAN WAY |
| MISSISSAUGA, ONTARIO, CANADA L5K 1 |
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| BERESKIN & PARR |
| ANDREW I. MCINTOSH |
| 40 KING STREET WEST |
| SUITE 4000 |
| TORONTO, ONTARIO, CANADA M5H 3Y2 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 38, 112-4 AVENUE S.W. |
| CALGARY, ALBERTA, CANADA T2P 2V5 |
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| TOWNSEND AND TOWNSEND AND CREW LLP |
| TWO EMBARCADERO CENTER, 8TH FLOOR |
| SAN FRANCISCO, CA 94111-3834 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2310 LAKESORE ROAD WEST |
| OAKVILLE, ONTARIO, CANADA L6L 1G8 |
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| KENNETH A. WEBER |
| TWO EMBARCADERO CENTER |
| 19TH FLOOR |
| SAN FRANCISCO, CA 94111-3834 |
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Assignment:
4
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CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE PREVIOUSLY RECORDED ON REEL 040469 FRAME 0418. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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| 2310 LAKESHORE ROAD |
| MISSISSAUGA, ONTARIO, CANADA L5J 1K2 |
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| KENNETH A. WEBER |
| TWO EMBARCADERO CENTER |
| 19TH FLOOR |
| SAN FRANCISCO, CA 94111-3834 |
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