Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent
1974-12-16
1976-09-21
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With antiglare or shading
G02C 904
Patent
active
039815692
ABSTRACT:
An eyeglass structure which includes a rear frame having circular portions joined by a nose piece and temple supports and two individual front portions rotatably carried by said circular positions with at least one pair of said portions carrying light modifying elements therein.
REFERENCES:
patent: 1647626 (1927-11-01), Hopson
patent: 1752889 (1930-04-01), Cornwell et al.
Geoffrey, Jr. Eugene E.
Sacher Paul A.
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