Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773282 | Piston rod assembly including an injection bonded piston head and fabrication method | Terry Benton, William Dirkin | 1988-09-27 |
| 4717035 | End closure for composite pressure vessels | William Dirkin | 1988-01-05 |