P

Assignee

XICO INC

US3 patents

Top patents by PatentIndex Score

US4626670ADec 2, 1986

Method and system for decoding time-varying, two-frequency, coherent-phase data

XICO INC37 citations92
US4585929AApr 29, 1986

Magnetic stripe media reader modules and cariers for magnetic head reader/encoders for such media

XICO INC35 citations89
US6039247AMar 21, 2000

Secure, stored-value systems and methods of transferring monetary values in one or more transactions to a specific receiving device

XICO INC26 citations83