Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858928 | Racket frame | Yoshinari Inagaki, Tetsuyuki Awano | 1989-08-22 |
KM
Kunimasa Muroi
Overall (1989): #85,489 of 140,708Top 65%
1
Patents 1989