Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264959 | Testing procedure and circuit for the determination of frequency distortions and group delay time distortion of a test object | — | 1981-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4264959 | Testing procedure and circuit for the determination of frequency distortions and group delay time distortion of a test object | — | 1981-04-28 |