Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33357 | Optical inspection apparatus for moving articles | — | 1990-09-25 |
| 4581632 | Optical inspection apparatus for moving articles | Walter L. Davis, Dale Messenger | 1986-04-08 |
| 4520702 | Inspection and cutting apparatus | Walter L. Davis, Dale Messenger | 1985-06-04 |