Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825147 | Capacitance measuring method and apparatus | Ross Ortman | 1989-04-25 |
| 4795966 | Method and apparatus for measuring the equivalent series resistances of a capacitor | — | 1989-01-03 |