Motion picture projector

Details Motion picture projector Motion picture projector

1975-12-17

1977-11-22

Burke, Wallace R.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1602

Patent

active

D02464586

REFERENCES:
patent: D188920 (1960-09-01), Duncan
patent: D201930 (1965-08-01), Collister
patent: D212977 (1968-12-01), Quinn et al.
patent: D224057 (1972-06-01), Tanaka
patent: D228094 (1973-08-01), Bourke
patent: 3848981 (1974-11-01), Chedister et al.

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