Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860365 | Method of fractionating the sound restoration of modulated signals in parallel mounted transducers, and sets of corresponding transducers | Clement Eloise-Pillerault, Claude Benoit | 1989-08-22 |