System and method for providing passive noise reduction

System and method for workspace sound regulation

System and method of protecting instruments from down-hole fluid

System and method of protecting optical elements from down-hole

System assembly for mounting electrical apparatus on walls and c

System for acquiring geophysical data

System for cancelling sound waves

System for enhancing room acoustics

System for fastening sheet materials together

System for filtering ultrasonic noise within a fluid flow...

System for generating a seismic signal in a borehole

System for imparting compressional and shear waves into the eart

System for imparting mechanical impulse energy to the ground

System for imparting mechanical impulse energy to the ground

System for insulating the sound emanating from a motor/pump...

System for integrating mid-range and high-frequency acoustic...

System for interrelating sound transducers or sound sources and

System for joining acoustic cellular panel sections in...

System for joining acoustic cellular panel sections in...

System for modifying operation of pneumatic tool