Projector

Details Projector Projector

1991-08-12

1993-09-28

Ansher, Bernard

Photography and optical equipment

Projector or viewer

Motion picture type

D16221, D16205

Patent

active

D03398170

REFERENCES:
patent: D215970 (1969-11-01), Frey
patent: D307029 (1990-04-01), Tominaga et al.
patent: D321526 (1991-11-01), Kurozumi
patent: D321527 (1991-11-01), Kurozumi et al.
patent: 3269793 (1966-08-01), White, Jr.
patent: 4170409 (1979-10-01), Sobotta et al.

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