Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4235320 | Retarder and friction brakes | James C. Polak, Harry Fackenthal, Carl A. Lentz, Walter E. Palmer | 1980-11-25 | $3,524,000 |
| 4232798 | Automatic vending machine for delivering containers having edible product therein | Richard L. Hammel, Frederick N. Lancia, William A. Wolfe, Leonard F. Dearth, Stephen L. Benton +2 more | 1980-11-11 | $3,740,000 |