BC

Brant Callahan

ID Impulse Devices: 1 patents #7 of 10Top 70%
Overall (All Time): #3,385,677 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7218034 Acoustic driver assembly with restricted contact area Ross Tessien, Daniel A. Phillips 2007-05-15