Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350277 | Photographic print paper guide spool | Richard Dyche Anderson | 1982-09-21 |
| 4324488 | Floating edge-follower bordered paper mask | Richard Dyche Anderson, Ronald B. Harvey, Randall C. Knudsen | 1982-04-13 |