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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06/25/1991
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Application #:
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07414703
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Filing Dt:
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09/29/1989
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Inventor:
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JERRY CERKOVNIK
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Title:
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SELF-RENEWING MULTI-ELEMENT CUTTING STRUCTURE FOR ROTARY DRAG BIT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| JOSEPH A. WALKOWSKI |
| PRINCE, YEATES & GELDZAHLER |
| CITY CENTER I, SUITE 900 |
| 175 EAST FOURTH SOUTH |
| SALT LAKE CITY, UT 84111 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 3900 ESSEX LANE, STE. 1200 |
| HOUSTON, TEXAS |
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| BAKER HUGHES INCORPORATED |
| MICHAEL POLACEK |
| 257 EAST 200 SOUTH, STE. 1025 |
| SALT LAKE CITY, UT 84111 |
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