Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262585 | Electric coffee maker | Alfons Zinsberger | 1981-04-21 |
| 4205598 | Electric coffee maker | Fritz John | 1980-06-03 |
| 4206341 | Adjustable temperature warming plate for electric coffee maker | Gunther Traunspurger, Alfons Zinsberger | 1980-06-03 |