Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376447 | Hot water valve | — | 1983-03-15 |
| 4322588 | Slide selector switch device | William W. Hendrickson, Leon P. Mace | 1982-03-30 |
| 4214654 | Coin transfer means for vendors | Harry H. Pryor | 1980-07-29 |