Inventor
MACKAY DONALD G
US19 patents
⚠️ This page may combine multiple inventors who share the name “MACKAY DONALD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PITNEY BOWES INC
15 patentsUS7229025B2Jun 12, 2007
Barcode with enhanced additional stored data
PITNEY BOWES INC66 citations98
US6533385B1Mar 18, 2003
Method for determining a printer's signature and the number of dots per inch printed in a document to provide proof that the printer printed a particular document
PITNEY BOWES INC50 citations96
US7191336B2Mar 13, 2007
Method for embedding information in an image
PITNEY BOWES INC37 citations92
US7085811B2Aug 1, 2006
Sender elected messaging services
PITNEY BOWES INC24 citations92
US7055746B2Jun 6, 2006
Postage indicia including color bar sequence to aid in authentication
PITNEY BOWES INC24 citations92
US6139136AOct 31, 2000
Ink supply system including a multiple level ink reservoir for ink jet printing
PITNEY BOWES INC54 citations91
US7483175B2Jan 27, 2009
Method and system for printing secure value documents and non-secure documents utilizing the same printing device
PITNEY BOWES INC8 citations84
US7389238B2Jun 17, 2008
Recipient elected messaging services
PITNEY BOWES INC18 citations84
US7013024B2Mar 14, 2006
Method for reading information that has been embedded in an image
PITNEY BOWES INC14 citations83
US7733530B2Jun 8, 2010
Method and system for printing secure value documents and non-secure documents utilizing the same printing device
PITNEY BOWES INC6 citations74
US6612684B2Sep 2, 2003
Method for determining a printer's signature to provide proof that the printer printed a particular document
PITNEY BOWES INC11 citations74
US8041645B2Oct 18, 2011
Document security utilizing color gradients
PITNEY BOWES INC1 citations52
US7959186B2Jun 14, 2011
Signaling labels and fluorescent ink compositions
PITNEY BOWES INC0 citations52
US7113198B2Sep 26, 2006
Method and system for creation of secure documents using digital embossing of thermal media with thermal print heads
PITNEY BOWES INC0 citations50
US7867590B2Jan 11, 2011
Signaling blank label
PITNEY BOWES INC0 citations47