Mass and spring systems for soundproofing
Membranous-vibration sound absorbing materials
Metal cavitated sandwich structures
Method and apparatus for absorbing sound
Method and apparatus for acoustical partition
Method and system for damped acoustic panels
Method for manufacturing a sandwich panel
Method for producing a panel comprising an adapted...
Method for the manufacture of a light-weight sheet
Method of attenuating sound, and acoustical insulation therefor
Method of making sound absorbing laminates and laminates having
Method of manufacturing a sandwich board and a sound...
Method of sound-deadening for vehicles
Method of tuning acoustical absorption in a vehicle interior
Method, device and system for altering the reverberation...
Micro-perforated acoustic liner
Mode canceling composite panel for greater than mass-law transmi
Molded acoustic and decorative mats and methods for forming...
Molded article designed to absorb airborne sound
Molding a lightweight cast acoustical product