Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152705 | Dual engine electric drive system | William H. Lane | 2006-12-26 |
| 6141614 | Computer-aided farming system and method | David C. Janzen | 2000-10-31 |
| 5905968 | Method and apparatus for controlling an earthworking implement to preserve a crown on a road surface | Michael D. Staub, Steve D. Lundquist | 1999-05-18 |
| 4772028 | Electronic shootout game | Christopher K. Rockhold | 1988-09-20 |
| 4650334 | Optical straightness gauge and method | Chester S. Gardner | 1987-03-17 |
| 4614868 | Fiber optic seam tracking apparatus | — | 1986-09-30 |