Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35190 | Plug-in power supply | Henry J. Zylstra | 1996-03-26 |
| 4901219 | Plug-in power supply | Henry J. Zylstra | 1990-02-13 |
| 4623859 | Remote control circuit breaker | John H. Gilliland | 1986-11-18 |