Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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12/22/1981
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Application #:
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06171684
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Filing Dt:
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07/24/1980
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Inventors:
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JOHN D. DEANE, ROBERT J. KOTCH
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Title:
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DYNAMIC SEAL FOR ROLLING CUTTER DRILL BIT
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Assignment:
1
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ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
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| A CORP. OF TX. |
| HOUSTON, TEXAS |
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| MICHAEL J. CADDELL |
| PAT. COUN., REED ROCK BIT CO. |
| P. O. BOX 2119 |
| HOUSTON, TX 77001 |
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