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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12/11/1990
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Application #:
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07417174
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Filing Dt:
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10/04/1989
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Inventor:
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CHRISTOPHER G. CASSO
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Title:
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SYSTEM AND METHOD FOR MONITORING DRILL BIT DEPTH
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 200 MACCO BOULEVARD |
| SUGAR LAND, TEXAS 77478 |
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| ANADRILL INC. |
| 200 MACCO BLVD. |
| SUGAR LAND, TX 77478 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 200 MACCO BOULEVARD |
| SUGAR LAND, TEXAS 77478 |
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| ANADRILL, INC. |
| ATTN: JOHN J. RYBERG |
| 200 MACCO BLVD. |
| SUGAR LAND, TX 77478 |
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