Title:
Hinge construction
United States Patent 3156756
US Patent References:
Spectacle hinge
- - 2305562


Inventors:
Seaver, Charles W.
Publication Date:
11/10/1964
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Assignee:
AMERICAN OPTICAL CORP
Primary Class:
351/153
Other Classes:
2/450, 16/225, 351/121, 16/228
International Classes:
G02C5/22
Foreign References:
FR914793A