Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357521 | Electrical heating device for fluid media | Helmut Ohnmacht | 1982-11-02 |
| 4350872 | Electrical heating element for fluid media and method for producing same | Helmut Ohnmacht | 1982-09-21 |
| 4341946 | Electrical resistance heating element | Helmut Ohnmacht | 1982-07-27 |
| 4321456 | Electrical hot air appliance | Helmut Ohnmacht | 1982-03-23 |
| 4313049 | Electrical heating element for fluid media | Helmut Ohnmacht | 1982-01-26 |