Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697091 | Distortion-free chopper-based signal mixer | Frank Hirschenberger, John Elliott Whitecar | 1997-12-09 |
RH
Richard Harris
Overall (1997): #88,936 of 185,788Top 50%
1
Patents 1997