Title:
Miner's headgear
United States Patent 2131617
Inventors:
Charlie, Cowden Henry
Publication Date:
09/27/1938
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Export Citation:
Assignee:
George, Walter Earles
Primary Class:
Other Classes:
2/906, 2/422, 362/106, D29/103
International Classes:
A42B3/28; A42B3/04