Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701277 | Elevator car position sensing system | Steven D. Coste, Jason S. Stone, Julian H. Shull Jr., Richard A. Schafer, William G. Edgar +1 more | 2004-03-02 |
| 6526368 | Elevator car position sensing system | Steven D. Coste, Jason S. Stone, Julian H. Shull, D. Richard Schafer, William G. Edgar +1 more | 2003-02-25 |
| 4896087 | Robotic workcell control system having improved input/output interfacing for better workcell operation | Eimei M. Onaga, Richard J. Casler, Jr., James A. Hart, Kenneth E. Daggett | 1990-01-23 |