Title:
CHIN OPERATED SHIELD FOR WELDER'S MASK
Document Type and Number:
United States Patent 3517392


Inventors:
Hodge, William R.
Hodge, Robert R.
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Publication Date:
06/30/1970
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Assignee:
William, Hodge R.
Robert, Hodge R.
Primary Class:
2/8.300
Other Classes:
D29/110
International Classes:
A61F9/06; A61F9/04; A61F9/06
US Patent References:
1777454Welder's helmet
1793286Welding mask
1800623Welder's hood
2352007Welder's hood
3339207Chin actuated welding hood
Foreign References:
DE537469C




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