Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664917 | Cutter head with internal drive for machining workpieces | — | 1997-09-09 |
| 5184927 | Cutter head with internal drive for machining workpieces | — | 1993-02-09 |
| 5117782 | Air intake and conditioning system for internal combustion engines | George Bischoff | 1992-06-02 |