Appliance for head therapeutics
United States Patent 1731700

Inventors:
Battenfeld, Victor P.
Publication Date:
10/15/1929
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Assignee:
Battenfeld, Victor P.
Primary Class:
128/201.260
Other Classes:
607/84, 128/203.270, 4/537, 128/203.290, 392/386
International Classes:
A61H35/00