Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823220 | Detector for magnetooptic recorders | Thomas D. Milster | 1989-04-18 |
| 4807970 | Holograms in photorefractive materials | Roger R. Dube | 1989-02-28 |
SY
Shingshwang Yao
Overall (1989): #15,725 of 140,708Top 15%
2
Patents 1989