Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335643 | Automatic golf ball washer | Daniel Johnstone | 2019-07-02 |
| 7451725 | Water heater combustion chamber sensing system | Michael A. Garrabrant, Jeff Lyons | 2008-11-18 |
| 7078995 | Ferrite core | Thomas Hoffman | 2006-07-18 |
| 6501362 | Ferrite core | Thomas Hoffman | 2002-12-31 |