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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01/14/1992
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Application #:
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07384775
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Filing Dt:
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07/14/1989
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Inventors:
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MARTIN D. CHERRINGTON, WILLIAM D. CHERRINGTON
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Title:
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APPARATUS AND METHOD FOR FORMING AN ENLARGED UNDERGROUND ARCUATE BORE AND INSTALLING A CONDUIT THEREIN
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 7398 SAN JOAQUIN |
| A CORP. OF CA |
| SACRAMENTO, CALIFORNIA 95820 |
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| EUGENE N. RIDDLE |
| C/0 VINSON & ELKINS |
| 3300 FIRST CITY TOWER |
| 1001 FANNIN ST. |
| HOUSTON, TX 77002-6760 |
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