Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219857 | Protective method and circuits for sheathed electrical resistance heating units | LeRoy J. Herbst | 1980-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219857 | Protective method and circuits for sheathed electrical resistance heating units | LeRoy J. Herbst | 1980-08-26 |