Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037518 | Apparatus and method for generating hydrogen and oxygen by electrolytic dissociation of water | Ronald A. Zweifel, Daniel L. Caldwell | 1991-08-06 |
| D254464 | Gallery tray | — | 1980-03-18 |
| D254227 | Condiment shaker | — | 1980-02-19 |
| D254047 | Casserole holder | — | 1980-01-29 |