75562673
Sep 23, 1998
Dec 12, 2000
PROGRESS RAIL SERVICES CORPORATION
Active Trademark
TRANSDUCERS THAT UTILIZE ULTRASONIC OSCILLATIONS TO [ TEST FOR STRESS AND FATIGUE IN METAL STRUCTURES, AND TO ] TREAT AND REDUCE STRESS AND FATIGUE OF METALS AND METAL STRUCTURES, AND ACCESSORIES THEREFOR
Electrical and Scientific Apparatus