Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719227 | Grinding mill and methods for fabricating same | — | 2004-04-13 |
| 4958380 | Fault current limiter for DC motor drive system | Andrew Stevenson | 1990-09-18 |
| 4433769 | Grinding mill control system | Marvin B. Shaver | 1984-02-28 |
| 4345123 | Self-adjusting brake engine limit switch assembly | Peter d. Eastcott, Peter Truman | 1982-08-17 |