Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314425 | Coolant assembly for a cylindrical grinding machine | Paul J. Humpleby | 1982-02-09 |
| 4308694 | Wheelhead drive assembly for a cylindrical grinding machine | — | 1982-01-05 |