Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698848 | Time reset safety timer circuit | Richard J. Mazur, James A. Wood | 2004-03-02 |
| 6023966 | Safe brake cutout detection for train | Richard J. Mazur, Paul E. Jamieson | 2000-02-15 |
| 6025702 | Signal processing unit for a trolley pole switch controller | Francis A. Launier, Charles C. Siegling, III | 2000-02-15 |
| 5815362 | Pulse width modulated drive for an infinitely variable solenoid operated brake cylinder pressure control valve | Barry Kahr | 1998-09-29 |
| 5740025 | Electronic controller for a trolley pole switch mechanism | Charles C. Siegling, III, Francis A. Launier | 1998-04-14 |
| 5691888 | Power controlling unit for a trolley pole switch controller | Charles C. Siegling, III, Francis A. Launier | 1997-11-25 |
| 5677608 | Embedded duplex local control panel | David A. Greer | 1997-10-14 |