Inventor
ROGERS JOSHUA D
US4 patents
Patents
4 patentsUS6327573B1Dec 4, 2001
Multiple party reward system utilizing single account
WALKER DIGITAL LLC534 citations98
US6052667AApr 18, 2000
Method and apparatus for selling an aging food product as a substitute for an ordered product
WALKER DIGITAL LLC201 citations98
US6847965B2Jan 25, 2005
Method and apparatus for maintaining a customer database using license plate scanning
WALKER DIGITAL LLC97 citations97
US6374240B1Apr 16, 2002
Method and apparatus for maintaining a customer database using license plate scanning
WALKER DIGITAL LLC57 citations95