Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4215800 | Vending machine or the like with improved trap door type dispensing mechanism | Robert J. Collins, Richard R. Stutsman | 1980-08-05 |
| D256030 | Vending machine | Richard R. Stutsman | 1980-07-22 |
| 4200201 | Machine having module with carriage for advancing row of articles | Robert J. Collins, Richard R. Stutsman | 1980-04-29 |