Inventor
WHITNEY JONATHAN W
US3 patents
Patents
3 patentsUS5801364ASep 1, 1998
System and method for controlling the storage of data within a portable memory
E STAMP CORP120 citations96
US5778076AJul 7, 1998
System and method for controlling the dispensing of an authenticating indicia
E STAMP CORP124 citations96
US5796834AAug 18, 1998
System and method for controlling the dispensing of an authenticating indicia
E STAMP CORP114 citations95