Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581086 | Fabricating large, thick wall, tubular structures | Dee R. Gill, Edward T. Hikida | 1986-04-08 |
| 4557422 | Fabricating large, thick wall, tubular structures | Dee R. Gill, Edward T. Hikida | 1985-12-10 |
| 4470860 | Fabricating large, thick wall, tubular structures | Dee R. Gill, Edward T. Hikida | 1984-09-11 |