Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855982 | Lens position-sensing apparatus for optical recording system | David M. Orlicki | 1989-08-08 |
| 4851818 | Electronic controller for a water purifying unit | Barry M. Brown, Evan A. Edwards, Henry L. West | 1989-07-25 |