Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219916 | Method for linear friction welding and product made by such method | Herbert L. Walker, Stephen Hilton, John P. Fournier, Richard D. Trask | 2001-04-24 |
| 6106233 | Method for linear friction welding and product made by such method | Herbert L. Walker, Stephen Hilton, John P. Fournier, Richard D. Trask | 2000-08-22 |