Patent Assignment Abstract of Title
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For pending or abandoned applications please consult USPTO staff.
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Total Assignments:
5
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Patent #:
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Issue Dt:
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03/09/1993
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Application #:
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07877340
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Filing Dt:
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05/01/1992
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Inventors:
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A. GLEN EDWARDS, KLAUS B. HUBER, JOE C. HROMAS, ANTONI K.L. MISZEWSKI, WILLIAM M. HILL
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Title:
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WELLBORE APPARATUS INCLUDING A RATHOLE PRESSURE BALANCED DIFFERENTIAL PRESSURE FIRING SYSTEM
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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| SCHLUMBERGER WELL SERVICES |
| JOHN H. BOUCHARD |
| ATTN: PATENT COUNSEL |
| P.O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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| SCHLUMBERGER WELL SERVICES |
| JOHN H. BOUCHARD |
| P.O. BOX 2175 |
| ATTN: PATENT COUNSEL |
| HOUSTON, TX 77252-2175 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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| SCHLUMBERGER WELL SERVICES |
| JOHN H. BOUCHARD |
| ATTN: PATENT COUNSEL |
| P.O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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| SCHLUMBERGER WELL SERVICES |
| JOHN H. BOUCHARD |
| ATTN: PATENT COUNSEL |
| P.O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 5000 GULF FREEWAY |
| P.O. BOX 2175 |
| HOUSTON, TEXAS 77023 |
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| SCHLUMBERGER WELL SERVICES |
| JOHN H. BOUCHARD |
| ATTN: PATENT COUNSEL |
| P.O. BOX 2175 |
| HOUSTON, TX 77252-2175 |
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