Pair of spectacles

Photography and optical equipment – Projector or viewer – With provision for transparency magazine

Patent

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Details

Other Related Categories

D1606

Type

Patent

Status

active

Patent number

D02433966

Description

REFERENCES:
patent: D228674 (1973-10-01), Shindler
Optician, Mar. 9, 1973, p. 36, Sunglasses "Pisa".
Optician, July 12, 1974, p. 20 -eyeglass frame.
Washington Post, Mar. 11, 1973, Sec. K16, eyeglass frame No. 4.

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