Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4421655 | Organophilic polyphenolic acid additives for well-working compositions | — | 1983-12-20 |
| 4404107 | Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor | Tommy K. Thrash, Jerry R. Rayborn | 1983-09-13 |
| 4356096 | Method of enhancing the effect of liquid organic lubricants in drilling fluids | Tommy K. Thrash, Jerry R. Rayborn | 1982-10-26 |
| 4345039 | Method of recovering polyester fibers and cellulosic powder from polyester/cotton textile waste | Tommy K. Thrash | 1982-08-17 |