Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-08-25
1981-08-18
Stallard, Wayland W.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1605
Patent
active
D02602687
REFERENCES:
patent: 3598984 (1971-08-01), Slomski
patent: 4055759 (1977-10-01), Bouchard et al.
Schindler Donald R.
Soules Thomas F.
Fulmer Norman C.
General Electric Company
Kempton Lawrence R.
Stallard Wayland W.
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