Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D378282 | Thermometer | — | 1997-03-04 |
| 5604329 | Housing, in particular for an electrical tooth cleaning device, and process for producing it | Gerhard Kressner, Georg Spiekermann | 1997-02-18 |
| D377910 | Thermometer | — | 1997-02-11 |
| D377317 | Thermometer | — | 1997-01-14 |