Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4579193 | Acoustic connector | — | 1986-04-01 |
| 4429702 | Apparatus for measurement of acoustic volume | — | 1984-02-07 |
| 4406921 | Apparatus for improving linearity of electromechanical transducers | — | 1983-09-27 |
| 4383134 | Loudspeaker systems | — | 1983-05-10 |
| 4327250 | Dynamic speaker equalizer | — | 1982-04-27 |
| 4246453 | Switch | Justin W. Marchese, Sr. | 1981-01-20 |