Patents/Inventors

Sean O'brien, Sr.

Harwood, MDUS1 patent

2 Patents

US123237592025
Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method
Polk Audio, LLC
0 cites
US118892582024
Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method
Polk Audio, LLC
0 cites