Multiple channel stethoscope
Multiple driver manifold
Multiple flow marine muffler constructed of resilient material
Multiple inlet muffler
Multiple layer fiber filled sound absorber and a method of...
Multiple phase acoustic systems
Multiple phase stethoscope
Multiple porting loudspeaker systems
Multiple pure tone elimination strut assembly
Multiple resonator attenuating earplug
Multiple sound transducer system utilizing an acoustic filter to
Multiple tuned high power bass reflex speaker system
Multiple-chambered exhaust muffler
Multiple-port, multiple-chamber, tuned air-powered subsea seismi
Multisensor ground-force measuring means for vibroseis
Multishot downhole explosive device as a seismic source
Multistage turbulence shield for microphones
Mushroom-shaped push-in foam eartip for use with...