Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924502 | Means for stabilizing sound pressure produced at the eardrum under an earpad | Elliott H. Berger | 1990-05-08 |
| 4807559 | Apparatus for alloying of coatings | Richard Sommer, George Havas, Mario Tama | 1989-02-28 |
| 4441576 | Nonlinear passive acoustic filtering | — | 1984-04-10 |
| 4323145 | Vibration damping method and means having non-contacting sound damping means | — | 1982-04-06 |