Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875756 | Fresnel lens apparatus for optically coupling a plurality of data channels | Arnold W. Lungershausen | 1989-10-24 |
| 4854662 | Optical data signal apparatus for optically coupling a plurality of data channels between stationary and rotating systems | Arnold W. Lungershausen | 1989-08-08 |
| 4799766 | Objective lens support and positioning system | — | 1989-01-24 |