Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653287 | Cryogenic well stimulation method | Robert M. Siebert, Pat Lively | 1997-08-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653287 | Cryogenic well stimulation method | Robert M. Siebert, Pat Lively | 1997-08-05 |