Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857721 | Optical direction sensor having gray code mask spaced from a plurality of interdigitated detectors | Rene Abreu, Stephen Messelt, Edward T. Siebert | 1989-08-15 |
| 4806747 | Optical direction of arrival sensor with cylindrical lens | Richard Babish | 1989-02-21 |
| 4735507 | Imaging coherent radiometer | Robert C. Crane | 1988-04-05 |