Title:
Hinge construction
United States Patent 3156756
Inventors:
Seaver, Charles W.
Publication Date:
11/10/1964
Export Citation:
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Assignee:
AMERICAN OPTICAL CORP
Primary Class:
351/153
Other Classes:
2/450, 16/225, 16/228, 351/121
International Classes:
G02C5/22; G02C5/22
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US Patent References:
2305562Spectacle hinge
Foreign References:
FR914793A