Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680468 | Methods of and systems for speaker equalization in automotive vehicles having convertible tops | James E. Van Hout, David J. Madaj | 1997-10-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680468 | Methods of and systems for speaker equalization in automotive vehicles having convertible tops | James E. Van Hout, David J. Madaj | 1997-10-21 |