Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650728 | Fault detection system including a capacitor for generating a pulse and a processor for determining admittance versus frequency of a reflected pulse | David A. Rhein, Lloyd R. Beard, Thomas Jude Herrick | 1997-07-22 |