Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567544 | Plug-in ground fault circuit interrupter module | DeHertburn N. Ronemus | 1986-01-28 |
| 4538040 | Electrical switch means particularly adapted to GFCI test and reset switches | DeHertburn N. Ronemus | 1985-08-27 |