Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504530 | Lined pressure vessels | — | 1985-03-12 |
| 4446092 | Method for making lined vessels | — | 1984-05-01 |
| 4228575 | Tank closure assembly | Arthur J. Wiltshire, Harry R. Nara, Edward T. Le Breton | 1980-10-21 |
| 4219125 | Tank closure assembly | Arthur J. Wiltshire, Harry R. Nara, Edward T. LeBreton | 1980-08-26 |