Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125090 | Apparatus for vitally sensing binary data for a vital processor implemented with non-vital hardware | — | 1992-06-23 |
| 5048064 | Vital rate decoder | — | 1991-09-10 |
| 5007018 | Vital processor implemented with non-vital hardware | — | 1991-04-09 |
| 4956779 | Digital overspeed controller for use in a vital processing system | — | 1990-09-11 |
| 4949273 | Vital processing system including a vital power controller with forgiveness feature | John W. Parker | 1990-08-14 |
| 4831521 | Vital processor implemented with non-vital hardware | — | 1989-05-16 |
| 4740972 | Vital processing system adapted for the continuous verification of vital outputs from a railway signaling and control system | — | 1988-04-26 |
| 4495578 | Microprocessor based over/under speed governor | Henry C. Sibley | 1985-01-22 |
| 4365298 | Speed control systems for governing the speed of a vehicle | Henry C. Sibley | 1982-12-21 |
| 4196412 | Driver alert system | Mark H. Sluis, John H. Auer, Jr., Carl G. Shook, Robert F. Anderson | 1980-04-01 |