DC

David Clark

PR Prince: 2 patents #76 of 262Top 30%
📍 Northville, MI: #475 of 1,240 inventorsTop 40%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,597,646 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6862361 Audio speaker Floyd John James 2005-03-01
5754664 Vehicle audio system John W. Steuber 1998-05-19
5548650 Speaker excursion control system — 1996-08-20