Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186593 | Easel | — | 2001-02-13 |
| 4742842 | Hydro-pneumatic pressure vessels | Walter C. Stethem | 1988-05-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186593 | Easel | — | 2001-02-13 |
| 4742842 | Hydro-pneumatic pressure vessels | Walter C. Stethem | 1988-05-10 |