Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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08/10/1993
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Application #:
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07977140
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Filing Dt:
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11/16/1992
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Inventors:
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BRUCE M. GRACHAL, MICHAEL R. ANDREWS, RODNEY C. FRELIGH, HOWARD L. GRIFFITHS
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Title:
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SEWER CHECK VALVE AND CLEANOUT APPARATUS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 2437 |
| HAYDEN, IDAHO 83835-2437 |
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| WELLS ST. JOHN P.S. |
| KEITH D. GRZELAK |
| 601 W. FIRST AVENUE, STE. 1300 |
| SPOKANE, WA 99201-3828 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2601 SPENWICK DRIVE |
| HOUSTON, TEXAS 77055 |
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| E RANDALL SMITH |
| 2777 ALLEN PARKWAY, SUITE 800 |
| HOUSTON, TX 77019 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2601 SPENWICK DRIVE |
| HOUSTON, TEXAS 77055 |
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| E RANDALL SMITH |
| 2777 ALLEN PARKWAY, SUITE 800 |
| HOUSTON, TX 77019 |
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