Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5522561 | Fiber optic cable payout system | Herbert L. Mummery, deceased, Warren L. Hahn | 1996-06-04 |
| 5485972 | Cable recovery winder | Herbert L. Mummery, deceased, Michael B. Young | 1996-01-23 |
| 5272932 | Torsional device for remote control steering system | Owen T. Ono, Warren L. Hahn | 1993-12-28 |