Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160259 | Draft control method and apparatus for material processing plants | Fred L. Fuhrman, David R. Wolfe, Bruce C. Irwin | 1992-11-03 |
| 4616867 | Measuring scoop | — | 1986-10-14 |
| 4341512 | Burner | Raymond J. Wojcieson, Fred L. Fuhrman | 1982-07-27 |