Pair of spectacles

Details Pair of spectacles Pair of spectacles

1978-04-27

1979-11-20

Lucas, Susan J.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1606

Patent

active

D02534819

REFERENCES:
patent: D243330 (1977-02-01), Pichler
patent: D243762 (1977-03-01), Johnsen
patent: D244603 (1977-06-01), Johnsen
Optician, 1-26-1973, p. 30, Spectacles.
Optical Journal & Review of Optometry, 6-15-1966, p. 59, Temples.

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