Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322171 | Denture brush | Horst Grunberg | 1991-12-10 |
HO
Helmut F. Otto
Overall (All Time): #3,891,668 of 4,157,543Top 95%
1
Patents All Time