Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4258739 | Hermetically sealed high pressure gas container | John Blankenship | 1981-03-31 |
| 4255916 | Method of charging and hermetically sealing high pressure gas container | John Blankenship | 1981-03-17 |