Title:
Electrical vaporizer
Document Type and Number:
United States Patent 1819123
Inventors:
Joseph, Robinson
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Publication Date:
08/18/1931
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Referenced by:
Export Citation:
Assignee:
Roy, Wolvin M.
Primary Class:
Other Classes:
392/404, 219/533, 128/203.270, 422/306, 219/227, 422/305
International Classes:
F24H1/00