Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849721 | Bandpass filter for a CATV converter | — | 1989-07-18 |
SM
Syuuji Matsuura
Overall (1989): #54,010 of 140,708Top 40%
1
Patents 1989