Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796603 | Pad-like implant | Hans-Rainer Willmen | 1989-01-10 |
HD
Hermann Dahlke
Overall (1989): #107,136 of 140,708Top 80%
1
Patents 1989