Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711757 | Position indicating device | Grant R. Connors | 1987-12-08 |
| 4646012 | Digital, electromagnetic rod position indicator with precisely controlled transitions between digital states | Charles G. Geis | 1987-02-24 |
| 4590604 | Voice-recognition elevator security system | — | 1986-05-20 |
| 4582672 | Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit | Charles R. Tuley, Jr., Douglas A. Bauman, Lesley Greenberg, James A. Neuner | 1986-04-15 |
| 4534056 | Voice-recognition elevator security system | Roger Graham Byford, Wing C. Quan | 1985-08-06 |
| 4357596 | Multi-line scan mark verification circuit | — | 1982-11-02 |
| 4356390 | Optical path monitoring circuit for a document scanner | — | 1982-10-26 |
| 4298859 | Digital video line delay circuit | — | 1981-11-03 |