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: | 020462/0752 | |
| Pages: | 8 |
| | Recorded: | 02/05/2008 | | |
| Attorney Dkt #: | 0011046-300138 |
| Conveyance: | RELEASE OF SECURITY INTEREST |
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Total properties:
14
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Patent #:
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Issue Dt:
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12/19/1989
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Application #:
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06769065
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Filing Dt:
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08/26/1985
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Title:
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HIGH STRENGTH PARTICULATES
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Patent #:
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Issue Dt:
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03/22/1988
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Application #:
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06854943
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Filing Dt:
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04/23/1986
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Title:
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HIGH STRENTH PARTICULATES
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Patent #:
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Issue Dt:
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06/06/1995
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Application #:
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08069929
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Filing Dt:
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06/01/1993
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Title:
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COMPOSITE AND REINFORCED COATINGS ON PROPPANTS AND PARTICLES
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Patent #:
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Issue Dt:
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05/28/1996
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Application #:
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08285908
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Filing Dt:
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08/04/1994
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Title:
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METHOD AND PROCESS FOR THE STABILIZATION OF RESIN COATED PARTICULATES
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Patent #:
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Issue Dt:
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01/28/1997
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Application #:
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08465823
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Filing Dt:
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06/06/1995
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Title:
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COMPOSITE AND REINFORCED COATINGS ON PROPPANTS AND PARTICLES
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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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11/23/1999
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Application #:
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09055549
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Filing Dt:
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04/06/1998
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Title:
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INJECTION MOLDED DEGRADABLE CASING PERFORATION BALL SEALERS
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Patent #:
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Issue Dt:
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09/05/2000
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Application #:
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09129063
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Filing Dt:
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08/04/1998
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Title:
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PROPPANT CONTAINING BONDABLE PARTICLES AND REMOVABLE PARTICLES
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Patent #:
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Issue Dt:
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09/21/1999
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Application #:
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09137580
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Filing Dt:
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08/21/1998
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Title:
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WELL TREATMENT FLUID COMPATIBLE SELF-CONSOLIDATION PARTICLES
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Patent #:
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Issue Dt:
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09/07/1999
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Application #:
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09137601
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Filing Dt:
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08/21/1998
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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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12/11/2001
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Application #:
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09616648
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Filing Dt:
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07/14/2000
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Title:
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Proppant containing bondable particles and removable particles
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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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Assignees
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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| 11833 RAVENNA ROAD |
| CHARDON, OHIO 44024 |
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Correspondence name and address
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MICHAEL L. DEVER
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301 GRANT STREET
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20TH FLOOR
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PITTSBURGH, PA 15218
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