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Inventor
PIEPMEIER JR ARTHUR L
US
3 patents
Patents
3 patents
US4824621A
Apr 25, 1989
Method for making an ink-impregnated material
PORELON
4 citations
55
US4768437A
Sep 6, 1988
High contrast printing material
PORELON
4 citations
55
US4884505A
Dec 5, 1989
Method and apparatus for printing a light scannable image
PORELON
1 citations
44