Photocopying – Contact printing – Light boxes
Patent
1995-01-11
1996-11-26
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
358521, G03G 1500
Patent
active
055790909
ABSTRACT:
An object of the present invention is the forming over a long period of time of images that have a desirable density and gradation.
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patent: 5363318 (1994-11-01), McCauley
Ikeda Yuichi
Sasanuma Nobuatsu
Canon Kabushiki Kaisha
Grainger Quana
Pendegrass Joan H.
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