Powell, Daryl G. Trademarks
DIGITAL PHASE
Acoustical speaker systems comprising a cabinet, tweeters, woofers, drivers and baffles
Owned by: Powell, Daryl G.
Serial Number: 78748339
ACOUSTA-REED
Acoustical speaker parts, namely, reed baffles for controlling standing waves by providing control over the resonance, air…
Owned by: Powell, Daryl G.
Serial Number: 78748363
