Inventor

WILLIS KEVIN D

US3 patents

Patents

3 patents

US5515445AMay 7, 1996

Long-time balancing of omni microphones

AT & T CORP25 citations90

US5506908AApr 9, 1996

Directional microphone system

AT & T CORP27 citations90

US5369701ANov 29, 1994

Compact loudspeaker assembly

AT & T CORP25 citations89