Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351032 | Frequency sensing circuit | — | 1982-09-21 |
RC
Richard F. Challen
Overall (1982): #36,880 of 81,411Top 50%
1
Patents 1982