Ultra-light, multifunctional sound-insulating kit
Ultralight trim composite
Ultralight trim composite
Ultrasonic rod waveguide-radiator
Underwater acoustic baffle enhancer
Underwater acoustic pressure release baffle for depths to 2000 f
Underwater acoustic reflectors
Unitary anti-skid vibration dampening structure
Unitary elastic muffler assembly for a pneumatic device
Universal heat shield
Universal muffler assembly
Universal muffler construction assembly
Use of a material with a high internal damping for a...