Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586250 | Apparatus for sleeving tubes in hostile environments | Frank W. Cooper, Jr. | 1986-05-06 |
| 4571821 | Sleeve insertion | William E. Pirl | 1986-02-25 |
| 4513506 | Measuring of tube expansion | — | 1985-04-30 |