Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5228243 | Support for a mirror blank | Stephen R. Ormsby | 1993-07-20 |
| 4791760 | Grinding wheel coolant distributor | — | 1988-12-20 |
| 4330029 | Mounting device for heat recovery wheels | Richard P. Suhey | 1982-05-18 |
| 4328857 | Mounting device for heat recovery wheels | Richard P. Suhey | 1982-05-11 |