Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840380 | Set of gold clubs | Ryota Kajita, Hiroshi Esaki | 1989-06-20 |
HS
Hirato Shimazaki
Overall (1989): #104,174 of 140,708Top 75%
1
Patents 1989