Inventor
JOHNSON GRAHAM I
GB6 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON GRAHAM I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NCR CORP
5 patentsUS6424845B1Jul 23, 2002
Portable communication device
NCR CORP138 citations94
US7800088B2Sep 21, 2010
Security markers for identifying a source of a substance
NCR CORP22 citations92
US7488954B2Feb 10, 2009
Security markers for marking a person or property
NCR CORP25 citations92
US7378675B2May 27, 2008
Security markers for indicating condition of an item
NCR CORP40 citations92
US6741973B1May 25, 2004
Consumer model
NCR CORP26 citations91