Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631624 | Time delay undervoltage release | Harley W. Jansen, Henry J. Zylstra | 1986-12-23 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4631624 | Time delay undervoltage release | Harley W. Jansen, Henry J. Zylstra | 1986-12-23 |