Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5744923 | Microprocessor-based controller for actuator motors with capacitive power backup and method therefor | Michael Ginzburg, Zev Kopel, Shu Yong Shao | 1998-04-28 |
| 5583301 | Ultrasound air velocity detector for HVAC ducts and method therefor | Harvey Weinberg, Zev Kopel | 1996-12-10 |
| 5278454 | Emergency capacitive energy source and circuit for damper motors and actuator motors | Brian Wheeler, Michael Ginzburg, Zev Kopel | 1994-01-11 |