Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical memory card based e-commerce business method

Optical memory card based e-commerce business method

US Patent 7131574 · Granted Nov 7, 2006

Estimated economic value: $1,881,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Partitioned game card holder using monocoque construction2015
Security feature RFID card2014
Method for optically collecting numismatic data and associated algorithms for un2011
Self-centering loading, indexing, and flipping mechanism for coinage and coin an2011
Apparatus for producing optical signatures from coinage2011
Secure transactions with passive storage media2009
Method of making secure personal data card2006
Secure transactions with passive storage media2005
Hybrid card contact actuator system and method2003
Reader/writer for arcuately flexed data cards1992
Optical card duplicating system1990
Multiple card recording system1989