Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238588 | Loudspeaker system and method for producing synthesized directional sound beam | John D. Meyer, Perrin Meyer, Roger Schwenke, Paul Kohut, Richard D. Herr +2 more | 2012-08-07 |
| D547749 | Loudspeaker | Perrin Meyer, John D. Meyer, Bruce T. Arasato | 2007-07-31 |
| 5925856 | Loudspeaker horn | John D. Meyer | 1999-07-20 |