Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410970 | Method and apparatus for measuring and analyzing sound characteristics of record discs | — | 1983-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410970 | Method and apparatus for measuring and analyzing sound characteristics of record discs | — | 1983-10-18 |