Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848968 | Mechanically adjustable variable flux speaker | Kevin E. Parrish, William L. Watts | 2014-09-30 |
| 8249292 | Mechanically adjustable variable flux speaker | Kevin E. Parrish, William L. Watts | 2012-08-21 |
| 4520736 | Lightweight safe and door mechanism therefor | Gaius P. Crosby | 1985-06-04 |