Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799392 | Method for determining silicon (mass 28) beam purity prior to implantation of gallium arsenide | Syd R. Wilson, Richard L. Peterson | 1989-01-24 |
RL
Robert P. Lorigan
Overall (1989): #138,789 of 140,708Top 100%
1
Patents 1989