Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9132967 | Pressure relief tube for auger | Larry E. Koenig | 2015-09-15 |
| 8851409 | System for crushing | Larry E. Koenig | 2014-10-07 |
| 8708266 | System for crushing with screw porition that increases in diameter | Larry E. Koenig | 2014-04-29 |