Copying machine

Details Copying machine Copying machine

1983-12-22

1986-03-25

Holtje, Nelson C.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D16 29, D16 31

Patent

active

D02831368

REFERENCES:
patent: D143652 (1946-01-01), Floeter
patent: D164263 (1951-08-01), Reader
patent: D186474 (1959-10-01), Robbins
patent: D198549 (1964-06-01), Graw
patent: D212052 (1968-08-01), Bravo
patent: D228152 (1973-08-01), Matwey
The Office--6/73--p. 94--Copier at left--third from top.
Industrial Design--10/57--p. 19--Copier at center.
Electrical Equipment--1/60--p. 34--Copier.
House & Home--9/67--p. 47--Whitteprinter at bottom.

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