Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7536019 | Audio system for use with a vehicle | David J. Prince, Robert True | 2009-05-19 | $2,548,000 |
| 7218745 | Headliner transducer covers | John E. McConnell | 2007-05-15 | $28,907,000 |
| 7077236 | Articulating vehicle speaker assembly | Pawel W. Sleboda, Richard D. George | 2006-07-18 | $3,622,000 |
| 6899381 | Vehicle headliner with a flexible duct | Mark Fero, David J. Prince, Randall Gage | 2005-05-31 | $1,878,000 |