Patent Assignment Abstract of Title
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Total Assignments:
7
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Patent #:
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Issue Dt:
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03/16/1982
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Application #:
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06077960
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Filing Dt:
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09/24/1979
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Inventor:
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MARTIN D. CHERRINGTON
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Title:
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PROCESS FOR DRILLING UNDERGROUND ARCUATE PATHS AND INSTALLING PRODUCTION CASINGS, CONDUITS, OR FLOW PIPES THEREIN
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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4615 SOUTHWEST FREEWAY |
A CORP. OF TX. |
HOUSTON, TEXAS 77027 |
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NED CONLEY |
BUTLER, BINION,RICE COOK AND KNAPP |
1100 ESPERSON BUILDING |
HOUSTON, TEXAS 77002 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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2300 MID-CONTINENT TOWER, |
TULSA,, OKLAHOMA 74103 |
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ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DR. |
CHICAGO, IL 60606 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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2300 MID-CONTINENT TOWER, |
TULSA,, OKLAHOMA 74103 |
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ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DR. |
CHICAGO, IL 60606 |
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Assignment:
4
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). MAY 21, 1987
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ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DR. |
CHICAGO, IL 60606 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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3430 ROGERDALE RD. |
A CORP. OF TX |
HOUSTON, TEXAS 77042 |
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A. BLAIR HUGHES |
ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DR. |
CHICAGO, IL 60606 |
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Assignment:
6
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ASSIGNMENT OF ASSIGNORS INTEREST.
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3430 ROGERDALE RD. |
A CORP. OF TX |
HOUSTON, TEXAS 77042 |
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A. BLAIR HUGHES |
ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DR. |
CHICAGO, IL 60606 |
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Assignment:
7
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ASSIGNMENT OF ASSIGNORS INTEREST.
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38 OLD RIDGEBURY RD. |
DANBURY, CONNECTICUT 06810 |
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DAVID M. FRISCHKORN |
ALLEGRETTI & WITCOFF, LTD. |
10 SOUTH WACKER DRIVE |
SUITE 3000 |
CHICAGO, IL 60606 |
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