Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374816 | Optical method and apparatus for authenticating degaussed magnetic identification means | — | 1994-12-20 |
| 5374818 | Identification means with integral memory device | David J. Horan | 1994-12-20 |
| 5291411 | Apparatus and method for reviewing path of travel | — | 1994-03-01 |