Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 048913/0973 | |
| Pages: | 14 |
| | Recorded: | 04/17/2019 | | |
| Conveyance: | RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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11/03/1998
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Application #:
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08864871
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Filing Dt:
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05/13/1997
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Title:
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CHECK VALVE WITH A REVERSIBLE VALVE BALL AND SEAT
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Patent #:
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NONE
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Issue Dt:
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Application #:
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12770347
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Filing Dt:
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04/29/2010
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Publication #:
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Pub Dt:
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11/04/2010
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Title:
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Low Friction Centralizer
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Assignee
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| 10603 W. SAM HOUSTON PKWY N. |
| SUITE 300 |
| HOUSTON, TEXAS 77064 |
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Correspondence name and address
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WOLF GREENFIELD & SACKS, P.C.
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600 ATLANTIC AVENUE
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BOSTON, MA 02210
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