Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032772 | Motor driver circuit for resonant linear cooler | Paul Okada | 1991-07-16 |
| 5023531 | Dual hybrid demand refrigeration control apparatus | George Altemose, Michael Consi, Edwin Joscelyn, William Wiemann, David B. Giguere +1 more | 1991-06-11 |
| 5017854 | Variable duty cycle pulse width modulated motor control system | Charles A. Goodman | 1991-05-21 |