Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325616 | Apparatus for varying the spectral filter over the photocell as a function of blade position | — | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325616 | Apparatus for varying the spectral filter over the photocell as a function of blade position | — | 1982-04-20 |