Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640613 | Corrective lens assembly | Robert A. Howard, Albert Yan | 1997-06-17 |
KY
Kazuhiko Yuyama
Overall (1997): #121,164 of 185,788Top 70%
1
Patents 1997