Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290120 | Self-locking ball-and-socket mechanism | Douglas L. Osterfeld, Craig A. Osterday, Omer C. Denney, James D. Keaton, Larry C. A. Studebaker +1 more | 1994-03-01 |
| 5163773 | Self-locking ball-and-socket mechanism | Omer C. Denney, James D. Keaton, Larry C. A. Studebaker, William Lee Van Doren | 1992-11-17 |