Inventor

FREIHEIT RONALD R

US4 patents

Patents

4 patents

US5525765AJun 11, 1996

Acoustical virtual environment

WENGER CORP84 citations92

US7600608B2Oct 13, 2009

Active acoustics performance shell

WENGER CORP22 citations89

US7921960B2Apr 12, 2011

Acoustic cabinet

WENGER CORP7 citations79

USD606339SDec 22, 2009

Cabinet grille

WENGER CORP8 citations79