Inventor
OLDFIELD DAVID JOSEPH
US5 patents
Patents
5 patentsUS5738716AApr 14, 1998
Color pigmented ink jet ink set
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US5679139AOct 21, 1997
Cyan and magenta pigment set
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US5679141AOct 21, 1997
Magenta ink jet pigment set
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US5679142AOct 21, 1997
Cyan ink jet pigment set
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US5679140AOct 21, 1997
Magenta and yellow dye set for imaging systems
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