Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847749 | Job interrupt at predetermined boundary for enhanced recovery | Robert W. Collins, William S. Davidson, Steven Michael Dickes, James S. Effle, Carle J. Larson +1 more | 1989-07-11 |