Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4516059 | Motor control chopper apparatus phase angle limiting | Richard D. Roberts, Lester J. Hoffman, Lalan G. Miller | 1985-05-07 |
| 4471277 | Vehicle propulsion motor control apparatus | — | 1984-09-11 |
| 4394724 | Propulsion motor control apparatus and method | Warren C. Fry, Paul J. Merlino | 1983-07-19 |
| 4393338 | Vehicle propulsion motor control apparatus | Stanley W. Jones | 1983-07-12 |
| 4387870 | Transit vehicle shunt determination | Thomas C. Matty, Carol D. Parham | 1983-06-14 |
| 4381479 | Electric motor chopper control apparatus and method | Henry J. Wesling | 1983-04-26 |
| 4380724 | Shunt field control apparatus and method | Stanley W. Jones | 1983-04-19 |
| 4370603 | Shunt field control apparatus and method | Stanley W. Jones | 1983-01-25 |
| 4355267 | Propulsion motor control apparatus | Stanley W. Jones | 1982-10-19 |
| 4352049 | Brake control apparatus and method | — | 1982-09-28 |
| 4339697 | Propulsion motor control apparatus and method | — | 1982-07-13 |
| 4257092 | Traction motor current control apparatus | Frank J. Prines, Thomas C. Matty | 1981-03-17 |
| 4216417 | Transit vehicle motor operation control apparatus and method | Larry W. Anderson, Thomas C. Matty | 1980-08-05 |