Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868908 | Power supply down-conversion, regulation and low battery detection system | Benjamin D. Pless | 1989-09-19 |
| 4866389 | Circuit and method for measuring battery voltage by time of discharge of a capacitor | Roubik Gregorian | 1989-09-12 |