Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873533 | Marker for locating a buried object | — | 1989-10-10 |
TO
Tomoyasu Oike
Overall (1989): #48,323 of 140,708Top 35%
1
Patents 1989