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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06/08/1993
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Application #:
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07812014
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Filing Dt:
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12/23/1991
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Inventor:
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PING-SUN R. CHEUNG
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Title:
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FLUID LOSS ADDITIVES FOR CEMENTING COMPOSITIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 515 POST OAK BLVD. SUITE 1200 |
| HOUSTON, TEXAS 77027 |
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| PETER A. BIELINSKI |
| 515 POST OAK BLVD. |
| SUITE 1200 |
| HOUSTON, TEXAS 77027 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 5500 NORTHWEST CENTRAL DRIVE |
| HOUSTON, TEXAS 77092 |
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| FELSMAN, BRADLEY, GUNTER & DILLON, LLP |
| CHARLES D. GUNTER, JR. |
| 2600 CONTINENTAL PLAZA |
| 777 MAIN STREET |
| FORT WORTH, TX 76102 |
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