Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928517 | Surface measuring instrument link arm assembly | — | 1990-05-29 |
| 4814573 | Electrical discharge machining apparatus with exchangeable electrode refeed cartridge | John M. Check, William Clayton, Thomas Walser | 1989-03-21 |
| 4739145 | System for positioning and transferring EDM electrodes | John M. Check, William Clayton, Thomas Walser | 1988-04-19 |
| 4670635 | Multi-electrode electrical discharge machining apparatus | Myron C. Johnson | 1987-06-02 |