Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479229 | Arrangement for and method of detecting multi-frequency sound code signals | — | 1984-10-23 |
GW
Gerardus Antionius Maria Wolters
Overall (All Time): #4,043,100 of 4,157,543Top 100%
1
Patents All Time