Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-06-24
1987-09-15
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02918927
REFERENCES:
patent: D218576 (1970-09-01), Van Acker
patent: D240554 (1976-07-01), Cross
patent: D280629 (1985-09-01), Goto
patent: 4165168 (1979-08-01), Baumann
patent: 4627715 (1986-12-01), Kikuno
The Office-7/85-p. 76-Copier at bottom-right.
Ricoh-Flyer for FT6200-6/83-Cover-Copier at center.
Office Products Dealer-5/83-p. 109, Copier at top-right.
Carr Donald W.
Serbinski Andrew T.
Holtje Nelson C.
Savin Corporation
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