Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4260249 | Two slit illumination aperture | Wilson Routt | 1981-04-07 |
| 4255042 | Light pipe for accurate erasure of photoconductor charge | John A. Barkley, Ross B. Hooker, III, James R. Walker | 1981-03-10 |