Title:
Ultrasonic cleaner
United States Patent 3007478

Inventors:
Leonhardt, Charles G.
Baldwin, Brian E.
Publication Date:
11/07/1961
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Assignee:
ACOUSTICA ASSOCIATES INC
AMERICAN HOSPITAL SUPPLY CORP
Primary Class:
134/57R
Other Classes:
134/1, 68/12.010, 134/95.100, 134/186, 134/100.100, 134/191, 422/20, 68/3R
International Classes:
A61L2/025; B08B3/12; A61L2/02
US Patent References:
2429090Dishwashing machine
2471778Fluid responsive control apparatus
2641270Dishwasher
2697341Washing device
2771894Control circuits for dishwashing apparatus
Foreign References:
GB548960A