Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634971 | Portable hand-held voltage sensor with manually adjustable reference voltage for comparison with sensed voltage | Robert C. Johnson, David L. Perry | 1987-01-06 |
BP
Bernd E. Peitsch
Overall (All Time): #3,966,034 of 4,157,543Top 100%
1
Patents All Time