Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547417 | Core plug | Richard E. DeMarco, Dennis I. Deegan | 1985-10-15 |
| 4484715 | Core plug | Richard E. DeMarco, Dennis I. Deegan | 1984-11-27 |
| 4460087 | Core plug | Richard E. DeMarco, Walter D. McVicar | 1984-07-17 |
| 4352609 | Face milling cutter | — | 1982-10-05 |
| 4211510 | Adjustable boring head | — | 1980-07-08 |
| 4194860 | Face milling cutter | — | 1980-03-25 |