Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673644 | Tri-joint coupling | Roger Paul Norris, Roger H. Geer | 1997-10-07 |
| 5539960 | Cylindrical convex doorknob termination | Frank Figdore | 1996-07-30 |
| 5443027 | Lateral force device for underwater towed array | Norman Lee Owsley, John F. Law, Stephen Paul Ebner, Richard K. Knutson, Roger C. Norris | 1995-08-22 |