Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971152 | Method and apparatus for repairing well casings and the like | Charles H. Koster, A. C. Hill, James M. Baker | 1990-11-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971152 | Method and apparatus for repairing well casings and the like | Charles H. Koster, A. C. Hill, James M. Baker | 1990-11-20 |