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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03/09/1999
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Application #:
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08904246
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Filing Dt:
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07/30/1997
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Inventor:
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GORDON A. TIBBITTS
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Title:
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EARTH BORING DRILL BIT WITH SHELL SUPPORTING AN EXTERNAL DRILLING SURFACE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 257 EAST 200 SOUTH, SUITE 1025 |
| SALT LAKE CITY, UTAH 84111 |
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| MARGER, JOHNSON, MCCOLLOM & STOLOWITZ |
| ALAN T. MCCOLLOM |
| 1030 SOUTHWEST MORRISON STREET |
| PORTLAND, OREGON 97205 |
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