Patent Assignment Details
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| Reel/Frame: | 012647/0338 | |
| Pages: | 4 |
| | Recorded: | 03/06/2002 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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05/07/2002
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Application #:
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09405173
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Filing Dt:
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09/24/1999
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Title:
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FILTER FOR SUBTERRANEAN USE
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Assignee
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| SUITE 600 |
| 515 POST OAK BLVD. |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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LEYDIG, VOIT & MAYER, LTD.
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SHANNON D. SCHEMEL
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700 THIRTEENTH ST., N.W., SUITE 300
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WASHINGTON, D.C. 20005-3960
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05/27/2024 08:30 AM
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