Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6060702 | Low-cost light-weight star tracking telescope | — | 2000-05-09 |
| 5012081 | Strapdown stellar sensor and holographic lens therefor | Douglas R. Jungwirth, Mitsuo Kawahara, Seymour Levine, John M. Kennel | 1991-04-30 |