Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980762 | Hybrid bearing cylinder | Elson B. Fish, Scott Farrisee, James Shobert | 2011-07-19 |
| 7931403 | Position sensing composite cylinder | Elson B. Fish, Scott Farrisee, James Shobert | 2011-04-26 |
| 5189923 | Antibacklash rack assembly | — | 1993-03-02 |