Protective casing for ultrasonic transducers
United States Patent 3234501

Inventors:
Hagen, Robert A.
Frielinghaus, Klaus H.
Publication Date:
02/08/1966
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Assignee:
GEN SIGNAL CORP
Primary Class:
367/191
Other Classes:
246/122R, 246/169D, D14/215, 340/387.100, 238/3, 367/151
International Classes:
G10K11/00; G10K11/20
Foreign References:
GB690889A