Spectacle frame eye piece

Details Spectacle frame eye piece Spectacle frame eye piece

1978-06-01

1980-07-22

Lucas, Susan J.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D16 65, D16 77, D1606

Patent

active

D02560259

REFERENCES:
patent: 176625 (1876-04-01), Hannay
patent: D217028 (1970-03-01), Weissman
Optometric Weekly, 4-13-1972, p. 18, Round Oval Frames,
Optometric Weekly, 4-13-1972, p. 18, Hex Oval Frames,
Manufacturing Optics International, 8-1969, p. 105, Eyeglasses, (351-51).
Optical Journal & Review of Optometry, 11-1-1969, inside back cover, Tear Drop Frames,
Clinton Optical Co., Inc. Catalog, 1-1947, p. 28, Lens Chart, "Sibling," (AO) Lens.

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