Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861683 | Panelboard for controlling and monitoring power or energy | Joseph C. Engel, John C. Schlotterer | 1999-01-19 |
| 5023822 | Pulse ratio system | John C. Schlotterer, Paul M. Johnston, Lawrence T. Pillage, Thomas M. Byrd, Jr. | 1991-06-11 |