Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1979-09-13
1981-11-03
Caun, Peter M.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02616610
REFERENCES:
patent: D231129 (1974-04-01), Case et al.
patent: 3597074 (1971-08-01), Margas
Charland Terrence D.
Newcomb Dean R.
Robertson Donald A.
Caun Peter M.
Xerox Corporation
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