Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487362 | Auger pan/hopper splash shield and safety guard | — | 2016-11-08 |
| 7482311 | Self-destructing filter cake | Dean M. Willberg | 2009-01-27 |
| 7265079 | Self-destructing filter cake | Dean M. Willberg | 2007-09-04 |
| 5195778 | Car utility apron | — | 1993-03-23 |