METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, FOR PERFORMING MECHANICAL WORK IN GENERAL

**Definition:** This place covers:

Processes or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency

Processes or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency