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: | 015156/0334 | |
| Pages: | 24 |
| | Recorded: | 04/02/2004 | | |
| Conveyance: | RE-RECORD TO ADD OMITTED ASSIGNORS' NAME, ON A DOCUMENT PREVIOUSLY RECORDED ON REEL 014438 FRAME 0192 |
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Total properties:
4
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Patent #:
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Issue Dt:
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11/17/1998
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Application #:
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08611170
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Filing Dt:
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03/05/1996
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Title:
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WELL TREATMENT FLUID COMPATIBLE SELF-CONSOLIDATING PARTICLES
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Patent #:
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Issue Dt:
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08/28/2001
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Application #:
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09433178
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Filing Dt:
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11/03/1999
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Title:
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DOWNHOLE CHEMICAL DELIVERY SYSTEM FOR OIL AND GAS WELLS
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Patent #:
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Issue Dt:
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04/30/2002
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Application #:
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09444901
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Filing Dt:
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11/22/1999
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Title:
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INJECTION MOLDED DEGRADABLE CASING PERFORATION BALL SEALERS FLUID LOSS ADDITIVE AND METHOD OF USE
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Patent #:
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Issue Dt:
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04/16/2002
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Application #:
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09955281
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Filing Dt:
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09/18/2001
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Publication #:
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Pub Dt:
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05/16/2002
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Title:
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PROPPANT COMPOSITION FOR GAS AND OIL WELL L FRACTURING
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Assignee
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| 629 EUCLID AVENUE |
| CLEVELAND, OHIO 44114 |
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Correspondence name and address
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BUCHANAN INGERSOLL, P.C.
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MICHAEL L. DEVER
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301 GRANT STREET, 20TH FLOOR
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PITTSBURGH, PA 15219
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