Eye protective device
United States Patent 2642568
US Patent References:
/0762121.html
- - 0762121

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- - 1868362

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Face shield
- - 2406598


Inventors:
Stewart, Walter A.
Publication Date:
06/23/1953
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Assignee:
AMERICAN OPTICAL CORP
Primary Class:
2/436
International Classes:
A61F9/02
US Patent References:
2491137Eye protector
2534655Ophthalmic device