Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1979-01-10
1980-09-02
Lucas, Susan J.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1606
Patent
active
D02566931
REFERENCES:
Optical Journal & Review of Optometry, 4-15-1970, p. 24, eyeglasses.
Optician, 6-20-1975, p. 35, eyeglasses (right).
Optometric Weekly, 5-16-1974, p. 111, eyeglasses (top).
Brumbaugh Granville M.
Lucas Susan J.
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