Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456940 | Voltage controlled transient protection unit | Lars E. Hammerberg, Walter Ghisler | 1984-06-26 |
RH
Royne Gunnar Hjortendal
Overall (All Time): #4,036,855 of 4,157,543Top 100%
1
Patents All Time