Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4445209 | Dithered focusing systems | Eric V. Olson | 1984-04-24 |
| 4322837 | Dithered center tracking system | Eric V. Olson | 1982-03-30 |
| 4286848 | Reproducing objective lens for videodiscs | — | 1981-09-01 |
| 4256374 | Write and read objective lens for high density storage | — | 1981-03-17 |