Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11890778 | Implement for wood chipper | — | 2024-02-06 |
| 8012286 | Apparatus and method for making a tubular composite barrel | Steve Stubner, Joseph Irrgang, Alan Richard Douglas | 2011-09-06 |
| 7640961 | Apparatus and method for making a tubular composite barrel | Steve Stubner, Joseph Irrgang, Alan Richard Douglas | 2010-01-05 |