Photocopying – Contact printing – Light boxes
Patent
1977-05-13
1978-12-12
Griffin, Donald A.
Photocopying
Contact printing
Light boxes
355100, G03B 2730, G03B 2704
Patent
active
041293800
ABSTRACT:
A portable low-cost copier comprises a housing having a bottom surface at which a photosensitized sheet and an original can be disposed. Disposed within the housing is a chemical flashlamp which is ignited to make the copy.
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patent: 3776686 (1973-12-01), Anderson et al.
patent: 3904292 (1975-09-01), Ravich
patent: 4008040 (1977-02-01), Murray et al.
Griffin Donald A.
GTE Sylvania Incorporated
Theodosopoulos James
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