Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429191 | High-pressure well fracturing method using expansible fluid | Joseph H. Schmidt, Thomas K. Perkins, James C. Abel | 1995-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429191 | High-pressure well fracturing method using expansible fluid | Joseph H. Schmidt, Thomas K. Perkins, James C. Abel | 1995-07-04 |