Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40287 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Stephen R. Estes | 2008-05-06 |
| RE39019 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Stephen R. Estes | 2006-03-21 |
| 5858142 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Stephen R. Estes | 1999-01-12 |