Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10677054 | Cutting bit assembly | Randy W. Arnold, James E. Folkerts, John R. Frederick, James Krellner, David Meade +7 more | 2020-06-09 |
| 8330314 | Magnetic transmission device | — | 2012-12-11 |
| 5095950 | Fluid mixing apparatus with progressive valve means | — | 1992-03-17 |
| 4765356 | Method and apparatus for mixing fluids | — | 1988-08-23 |
| 4574763 | Dual fuel carburetion system and method | — | 1986-03-11 |
| 4492207 | Dual fuel system | — | 1985-01-08 |