All Patents in class 73/861.18


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All Patents in class 73/861.18
Patents 1 - 1 of 1
Picture	Number	Date	Patentee	Title
	4,577,496	Mar. 25, 1986	D.D. Grover, G.A. Kaufman	Transducer and Holder Therefor for Ultrasonic Acoustic Tachometer