Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750314 | Method for propellant filling and sealing of a container | Harlen E. Wilkinson | 1988-06-14 |
| 4658979 | Propellant filling and sealing valve | Harlen E. Wilkinson | 1987-04-21 |