Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023822 | Pulse ratio system | John C. Schlotterer, Paul M. Johnston, Mark F. Rusnak, Lawrence T. Pillage | 1991-06-11 |
| 4477861 | Watthour meter with tamper resistant seal | Khalil F. Aboujaoude | 1984-10-16 |