Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634459 | Accessory drive and particle trap | Thaddeus T. Litkenhus, Cornelius Opris, Craig Richard Rust | 2003-10-21 |
| 6620070 | Multi-speed transmission | Karl A. Nerstad | 2003-09-16 |