Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8265294 | Public address system utilizing power transmission medium communication | Bertus Tjalsma | 2012-09-11 |
AJ
Alex Jonkman
Overall (All Time): #3,222,425 of 4,157,543Top 80%
1
Patents All Time