Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5895559 | Cathodic arc cathode | — | 1999-04-20 |
| 5347887 | Composite cutting edge | Richard D. Rosenthal, Gerald L. DePoorter | 1994-09-20 |
| 4249312 | Lead chopper | Martin L. Anderson | 1981-02-10 |
| 4222296 | Lead chopper | Martin L. Anderson | 1980-09-16 |