Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7836697 | Rotary steam engine | Richard N. Rehlander | 2010-11-23 |
| 4927034 | Steerable power drive for gantry crane | — | 1990-05-22 |
| 4774991 | Forming rotary grinding wheel dressers | — | 1988-10-04 |
| 4575302 | Dumping mechanism | — | 1986-03-11 |