Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738432 | Fluid flow control valves | Frederick B. Gardner, Malcolm C. Hanson | 1988-04-19 |
| 4660937 | Dichroic dye-nematic liquid crystal mirror | — | 1987-04-28 |
| 4365868 | Liquid crystal device for direct display of analog information | — | 1982-12-28 |
| 4193669 | Liquid crystal device for direct display of analog information | — | 1980-03-18 |