Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888121 | Compositions and method for controlling precipitation when acidizing sour wells | Walter R. Dill | 1989-12-19 |
| 4823392 | Compressor | — | 1989-04-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888121 | Compositions and method for controlling precipitation when acidizing sour wells | Walter R. Dill | 1989-12-19 |
| 4823392 | Compressor | — | 1989-04-18 |