Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8995674 | Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties | — | 2015-03-31 |
| 8300840 | Multiple superimposed audio frequency test system and sound chamber with attenuated echo properties | — | 2012-10-30 |
| 4327326 | Automatic testing system for electric nerve stimulator units | — | 1982-04-27 |