Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886996 | Channel plate electron multipliers | Ronald L. Field | 1989-12-12 |
RE
Richard S. Emptage
Overall (1989): #66,192 of 140,708Top 50%
1
Patents 1989