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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07/29/1986
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Application #:
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06683787
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Filing Dt:
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12/19/1984
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Inventors:
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LEE F. MC KENZIE, PAUL M. MC ELFRESH, DYKE W. REESE
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Title:
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NON-RETARDING FLUID LOSS ADDITIVES FOR WELL CEMENTING COMPOSITIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77001 |
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| ROBERT A. FELSMAN |
| CHIEF PATENT COUNSEL |
| PATENTS & TECHNOLOGY MANAGEMENT |
| P.O. BOX 2539 |
| HOUSTON, TX 77001 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77001 |
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| ROBERT A. FELSMAN |
| CHIEF PATENT COUNSEL |
| PATENTS & TECHNOLOGY MANAGEMENT |
| P.O. BOX 2539 |
| HOUSTON, TX 77001 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77001 |
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| ROBERT A. FELSMAN |
| CHIEF PATENT COUNSEL |
| PATENTS & TECHNOLOGY MANAGEMENT |
| P.O. BOX 2539 |
| HOUSTON, TX 77001 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 3900 ESSEX, |
| HOUSTON,, TEXAS 77027 |
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| JAMES E. BRADLEY |
| PATENTS & TECHNOLOGY MGMNT. |
| HUGHES TOOL CO. |
| P. O. BOX 2539 |
| HOUSTON, TX 77252-2539 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF DE. |
| 5500 NORTHWEST CENTRAL DRIVE |
| HOUSTON, TEXAS 77072 |
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| CHARLES D. GUNTER, JR. |
| FELSMAN, BRADLEY, GUNTER & DILLON |
| 2600 CONTINENTAL PLAZA |
| 777 MAIN STREET |
| FORT WORTH, TX. 76102 |
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