Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D436589 | Microphone for flat surfaces | Bruce Lancaster, Michael Luchs | 2001-01-23 |
| D428406 | Microphone for flat surfaces | Bruce Lancaster, Michael Luchs, Jan Hippen, Iidefonso Resuello, Dieter Reuther +1 more | 2000-07-18 |