Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523808 | Welding helmets with auxiliary optical vision systems | Charles G. Miller, James B. Stephens | 1985-06-18 |
| 4400191 | Sphere forming method and apparatus | Charles G. Miller, James B. Stephens, Anthony A. Finnerty | 1983-08-23 |