Hand held transparency projector

Details Hand held transparency projector Hand held transparency projector

1979-11-05

1982-05-11

Caun, Peter M.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1602

Patent

active

D02643448

REFERENCES:
patent: D216839 (1970-03-01), Rhondes et al.
patent: 2550799 (1951-05-01), Fuller
patent: 4149776 (1979-04-01), Everett, Jr.

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