Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5514964 | System for monitoring a dual voltage ungrounded system for leakage currents | David W. Hasenohrl | 1996-05-07 |
| D365030 | Line isolation monitor | David W. Hasenohrl | 1995-12-12 |