Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551982 | Ice-thickness sensing device in refrigeration system | Erich J. Kocher | 1985-11-12 |
| 4497181 | Means to measure, indicate and regulate thickness of ice layer in refrigeration system | Erich J. Kocher | 1985-02-05 |