Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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08/21/1990
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Application #:
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07320288
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Filing Dt:
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03/07/1989
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Inventor:
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JOHN R. WILLIAMS
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Title:
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DRILLING HEAD SEAL ASSEMBLY
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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 6155 |
| 8220 HIGHWAY 271 SOUTH |
| FT. SMITH, ARKANSAS 72906 |
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| PRAVEL, HEWITT & KIMBALL |
| LESTER L. HEWITT |
| 1177 W. LOOP SOUTH, 10TH FLOOR |
| HOUSTON, TX 77027-9095 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 515 POST OAK BLVD., SUITE 600 |
| HOUSTON, TEXAS 77027 |
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| AKIN, GUMP, STRAUSS, HAUER & FELD, L.L.P |
| RICHARD D. FLADUNG |
| 711 LOUISIANA STREET |
| SUITE 1900 SOUTH |
| HOUSTON, TX 77002 |
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