Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356096 | Method of enhancing the effect of liquid organic lubricants in drilling fluids | Jack C. Cowan, Jerry R. Rayborn | 1982-10-26 |
| 4345039 | Method of recovering polyester fibers and cellulosic powder from polyester/cotton textile waste | Jack C. Cowan | 1982-08-17 |