Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697784 | Dental cleaning device with a grip member | Ernst Poganitsch | 1997-12-16 |
| 5616028 | Dental-jet device and mouthpiece for a dental-jet device | Ernst Poganitsch | 1997-04-01 |
PH
Peter Hafele
Overall (1997): #27,702 of 185,788Top 15%
2
Patents 1997