RV

Richard Vandersteen

Overall (All Time): #1,019,781 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8320604 Composite loudspeaker cone Michael P. Latvis, Jr. 2012-11-27
7872195 Apparatus and methods for dielectric bias system William Low 2011-01-18
7126055 Apparatus and methods for dielectric bias system William Low 2006-10-24
7046816 Coincident source stereo speaker 2006-05-16
5073948 Midrange loudspeaker driver 1991-12-17