Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655035 | Differential fiber optic angular rate sensor for minimizing common mode noise in the sensor output | — | 1997-08-05 |
| 4644247 | Series pass regulated battery charger with reduced power dissipation | — | 1987-02-17 |
| 4590709 | Door support for a battery storage cabinet or the like | Ilya Katsman, John A. Ritchie, Jr., Vladimir Zaltsman | 1986-05-27 |
| 4441066 | Battery charger failure alarm circuit | — | 1984-04-03 |