Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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11/29/2011
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Application #:
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12430521
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Filing Dt:
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04/27/2009
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Publication #:
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Pub Dt:
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10/29/2009
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Inventors:
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Keith D. Farquharson, Tianle Guo, Tony M. Lam, Kevin Paul Schneider, Heinrich Lang
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Title:
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METAL SEAL FOR WELLHEADS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 25227 GROGAN'S MILL ROAD, SUITE 125 |
| THE WOODLANDS, TEXAS 77380 |
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| BEN D. TOBOR |
| 1000 LOUSIANIA, SUITE 1700 |
| HOUSTON, TX 77002 |
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Assignment:
2
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CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF INVENTOR GUO'S NAME FROM TINALE TO TIANLE, PREVIOUSLY RECORDED ON REEL 022991 FRAME 0377. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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| 25227 GROGAN'S MILL ROAD |
| SUITE 125 |
| THE WOODLANDS, TEXAS 77380 |
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| GREENLEE WINNER AND SULLIVAN PC |
| 4875 PEARL EAST CIRCLE |
| SUITE 200 |
| BOULDER, CO 80301 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 4505 - 74 AVENUE |
| EDMONTON, CANADA T6B 2H5 |
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| GREENLEE WINNER AND SULLIVAN PC |
| 4875 PEARL EAST CIRCLE |
| SUITE 200 |
| BOULDER, CO 80301 |
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