Inventor
MAYER BIRGITTA
US7 patents
⚠️ This page may combine multiple inventors who share the name “MAYER BIRGITTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN EXPRESS TRAVEL RELATE
4 patentsUS7163145B2Jan 16, 2007
Geographic area multiple service card system
AMERICAN EXPRESS TRAVEL RELATE94 citations97
US7856377B2Dec 21, 2010
Geographic loyalty system and method
AMERICAN EXPRESS TRAVEL RELATE110 citations96
US7360699B2Apr 22, 2008
Geographic area multiple service card system
AMERICAN EXPRESS TRAVEL RELATE39 citations94
US7503487B2Mar 17, 2009
Geographic area multiple service card system
AMERICAN EXPRESS TRAVEL RELATE18 citations91