Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971463 | Stir forming apparatus | Douglas J. Waldron | 2011-07-05 |
| 7448528 | Stir forming apparatus and method | Douglas J. Waldron | 2008-11-11 |
| 6460752 | Method of friction stir welding with grooved backing member | Douglas J. Waldron | 2002-10-08 |
| 6367681 | Friction stir welding apparatus and method | Douglas J. Waldron | 2002-04-09 |
| 6227433 | Friction welded fastener process | Douglas J. Waldron, Ray F. Toosky | 2001-05-08 |
| 5041954 | Identification inspection device | — | 1991-08-20 |
| 4530162 | Apparatus and method for boresighting a firearm | Floyd Brouwer, Merlin J. Applegate | 1985-07-23 |
| 4378853 | Cavitation nozzle plate adapter for rock bits | Weng-Kwen Raymond Chia | 1983-04-05 |