Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697784 | Dental cleaning device with a grip member | Peter Hafele | 1997-12-16 |
| 5616028 | Dental-jet device and mouthpiece for a dental-jet device | Peter Hafele | 1997-04-01 |
| 5414930 | Shaving apparatus having a shaving-head frame and a foil frame spring-mounted on said frame | Ingo Muller, Gilbert Rottig | 1995-05-16 |
| 5383273 | Shaving apparatus having a shaving-head frame and a foil frame to be secured thereto | Ingo Muller, Gilbert Rottig | 1995-01-24 |
| 4969266 | Dry-shaving apparatus comprising a slidable shutter | — | 1990-11-13 |
| 4891880 | Dry-shaving apparatus comprising at least one slidable shutter | Arno Wolfger | 1990-01-09 |