Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351998 | Microwave oven with resistance heating unit | Heinrich Keppel, Peter Klapper | 1982-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351998 | Microwave oven with resistance heating unit | Heinrich Keppel, Peter Klapper | 1982-09-28 |