Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D823750 | Vehicle guard | John M. Schulzetenberg | 2018-07-24 |
| 8448968 | Adaptable vehicle step assembly | Berndard Dale Stoltenberg, John M. Schulzetenberg | 2013-05-28 |
| 7154722 | Loop control for distribution systems | James Stoupis, Marina V. Graham | 2006-12-26 |
| 6377051 | Relay test set using computer controlled voltage supply to stimulate both voltage and current transformers | Richard E. Tyner | 2002-04-23 |
| 6006630 | Magnetic keeper accessory for wrench sockets | Richard A. Vasichek, Robert J. Vasichek, Paul D. Sigaty | 1999-12-28 |