Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8317490 | Torque drive mechanism for gas compressor | — | 2012-11-27 |
| 8286274 | Restroom aid | — | 2012-10-16 |
| 8035259 | Electric motor starting device | — | 2011-10-11 |
| 7649286 | Electric motor starting device | — | 2010-01-19 |
| D271501 | Adjustable support surface for holding reference or printout material | David K. Crabbe | 1983-11-22 |