Patent Assignment Details
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Reel/Frame: | 007009/0393 | |
| Pages: | 3 |
| | Recorded: | 05/31/1994 | | |
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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02/06/1996
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Application #:
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08226811
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Filing Dt:
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04/12/1994
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Title:
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APPARATUS AND METHOD FOR IMPROVING GAS BACKWASH IN LATERAL UNDERDRAINS
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Assignee
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227 SOUTH DIVISION STREET |
ZELIENOPLE, PENNSYLVANIA 16063 |
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Correspondence name and address
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WEBB ZIESENHEIM BRUENING LOGSDON ORKIN &
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HANSON, P.C.
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JOHN W. MCILVAINE
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700 KOPPERS BLDG., 436 SEVENTH AVE.
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PITTSBURGH, PA 15219-1818
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