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: | 015460/0422 | |
| Pages: | 3 |
| | Recorded: | 06/14/2004 | | |
| Conveyance: | DISCHARGE AND RELEASE OF SECURITY INTEREST |
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Total properties:
4
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Patent #:
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Issue Dt:
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02/09/1999
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Application #:
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08736033
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Filing Dt:
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10/23/1996
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Title:
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FLEXIBLE PLUNGER APPARATUS FOR FREE MOVEMENT IN GAS-PRODUCING WELLS
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Patent #:
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Issue Dt:
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11/16/1999
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Application #:
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09082458
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Filing Dt:
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05/20/1998
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Title:
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PLUNGER ARRIVAL TARGET TIME ADJUSTMENT METHOD USING BOTH A AND B VALVE OPEN TIMES
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Patent #:
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Issue Dt:
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03/07/2000
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Application #:
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09120494
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Filing Dt:
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07/21/1998
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Title:
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GAS FLOW PROPORTIONING AND CONTROLLING VALVE SYSTEM
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Patent #:
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Issue Dt:
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03/06/2001
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Application #:
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09290040
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Filing Dt:
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04/12/1999
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Title:
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CASING DIFFERENTIAL PRESSURE BASED CONTROL METHOD FOR GAS-PRODUCING WELLS
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Assignee
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| 1762 DENVER AVENUE |
| FORT LUPTON, COLORADO 80621 |
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Correspondence name and address
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ISAACSON, ROSENBAUM, WOODS & LEVY, P.C.
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DEREK C. WEST
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633 17TH STREET, SUITE 2200
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DENVER, COLORADO 80202
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