Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40287 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Dave Konieczny | 2008-05-06 |
| 7017461 | Dual position automatic notcher | — | 2006-03-28 |
| RE39019 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Dave Konieczny | 2006-03-21 |
| 6640602 | Dual notcher | — | 2003-11-04 |
| 5858142 | Angular orientation control system for friction welding | Lowell R. Tully, Stephen A. Johnson, Dave Konieczny | 1999-01-12 |