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Inventor
BUTLER KEITH P
GB
2 patents
Patents
2 patents
US6460991B1
Oct 8, 2002
Vacuum drums for printing, and duplex printers
XAAR TECHNOLOGY LTD
54 citations
93
US6682191B2
Jan 27, 2004
Vacuum drums for printing, and duplex printers
XAAR TECHNOLOGY LTD
25 citations
90