Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940116 | Unattended checkout system and method | David F. O'Connor, Wesley D. Dickover | 1990-07-10 |
| 4792018 | System for security processing of retailed articles | David R. Humble, David L. Gentzler | 1988-12-20 |
| 4676343 | Self-service distribution system | David R. Humble, David L. Gentzler | 1987-06-30 |