Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5223697 | Electric radiant heater | Eugen Wilde, Erich Wagner, Robert Kicherer | 1993-06-29 |
| 5196678 | Radiant heater, as well as method and apparatus for its production | — | 1993-03-23 |
| 5048176 | Method of making a radiant heater | — | 1991-09-17 |