Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920392 | Apparatus for induction hardening | Stephen B. Fitch, Jerry Mills, William Stuehr, Stephen P. Johnson | 2018-03-20 |
| 8993942 | Apparatus for induction hardening | Stephen B. Fitch, Jerry Mills, William Stuehr, Stephen P. Johnson | 2015-03-31 |
| 8614409 | Induction heating device with electromagnetic diverter | William Stuehr | 2013-12-24 |