Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804035 | Method of gravity casting | Norifumi Sagawa | 1989-02-14 |
TM
Takeshi Murai
Sintokogio: 1 patents #1 of 2Top 50%
Overall (1989): #52,846 of 140,708Top 40%
1
Patents 1989