Heating device for internal-combustion motors
United States Patent 1781412

Inventors:
Slichter, Charles S.
Publication Date:
11/11/1930
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Assignee:
MOTORHEATOR COMPANY
Primary Class:
219/205
Other Classes:
219/477, 123/549, 219/535, 219/207
International Classes:
F01M5/02; F01M5/00