Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861973 | Optical scan pattern generating arrangement for a laser scanner | Ronald A. Hellekson, John Campbell | 1989-08-29 |
| 4799164 | Shallow bar code scanner | Ronald A. Hellekson, John Campbell | 1989-01-17 |