Patent Assignment Details
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| Reel/Frame: | 004828/0781 | |
| Pages: | 4 |
| | Recorded: | 02/08/1988 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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12/22/1987
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Application #:
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06893991
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Filing Dt:
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08/07/1986
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Title:
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DEVICE TO RELIEVE SUCKER ROD TORQUE BELOW GROUND LEVEL IN A PETROLEUM WELL
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Assignee
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| 11 GREENWAY PLAZA, 2224 SUMMIT TOWER |
| HOUSTON, TEXAS 77046 |
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Correspondence name and address
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DYNOVATION DESIGN & ENGINEERING INC.
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2224 SUMMIT TOWER
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11 GREENWAY PLAZA
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HOUSTON, TX 77046
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