Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10402804 | Apparatus, system and method of obtaining items from a vending machine with an electronic benefits transfer card | Francis A. Wittern | 2019-09-03 |
| 10055928 | Highly adjustable push-type dispensing module for dispensing items | — | 2018-08-21 |
| 5184707 | Coin operated timing mechanism | Ralph H. Carmen | 1993-02-09 |
| 5139128 | Chute for controlling the motion of a token moving by gravity through a token-receiving device | Ralph H. Carmen | 1992-08-18 |
| 5119916 | Sensor for measuring the magnetically responsive characteristics of tokens | Ralph H. Carmen | 1992-06-09 |
| 5109972 | Coin operated timing mechanism | Ralph H. Carmen | 1992-05-05 |
| 5060777 | Low-power device for sorting tokens | Ralph H. Carmen | 1991-10-29 |
| 4880406 | Meter handle mechanism | Clyde T. Johnson | 1989-11-14 |
| 4717007 | Non-trapping coin shuttle for electronic parking meter | — | 1988-01-05 |
| 4417725 | Method for transferring energy between suspended objects | — | 1983-11-29 |