Lambda/4-wave sound absorber
Laminar damper
Laminated acoustic absorption sheet with flame retardant
Laminated composite panel-form loudspeaker
Large diesel engine exhaust muffler
Large, high r.p.m. diesel engine exhaust muffler
Latching connection for an arrangement comprising a...
Layered acoustical insulating web
Layered sound absorber for absorbing acoustic sound waves
Lens system for acoustic transducer array
Lid for muffling noises produced by an internal combustion...
Light aircraft engine muffler
Light transmissive sound absorbing member
Light viscoelastic damping structure
Light weight hybrid exhaust muffler
Light weight hybrid exhaust muffler and method of manufacture
Light weight shell acoustic enclosure
Light-weight ceramic acoustic absorber and method of manufacturi
Lightweight acoustic damping treatment
Lightweight acoustical system