Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 008268/0221 | |
| Pages: | 7 |
| | Recorded: | 12/10/1996 | | |
| Conveyance: | SECURITY AGREEMENT |
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Total properties:
3
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Patent #:
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Issue Dt:
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10/02/1984
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Application #:
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06261902
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Filing Dt:
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05/08/1981
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Title:
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ERECTION MEANS FOR PORTABLE DRILLING SYSTEM
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Patent #:
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Issue Dt:
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12/23/1986
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Application #:
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06799553
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Filing Dt:
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11/19/1985
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Title:
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ERECTION MEANS FOR PORTABLE DRILLING SYSTEM
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Patent #:
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Issue Dt:
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02/27/1990
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Application #:
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07279363
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Filing Dt:
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12/02/1988
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Title:
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DERRICK HAVING UPPER AND LOWER CROWN BLOCK POSITIONS
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Assignee
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| 4TH FLOOR |
| 135 EAST 57TH STREET |
| NEW YORK, NEW YORK 10022 |
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Correspondence name and address
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THOMPSON & KNIGHT, P.C.
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DANIEL CHALKER
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1700 PACIFIC AVENUE
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SUITE 3300
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DALLAS, TX 75201-4693
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