Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241336 | Method and apparatus for monitoring poly-phase currents in poly-phase equipment | — | 1980-12-23 |
| 4224651 | Monitoring a signal | James C. Allen, Johan C. Botma | 1980-09-23 |