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Patents Grants
last 30 patents
Information
Patent Grant
Dual-interface card reading device
Patent number
6,457,648
Issue date
Oct 1, 2002
Singular Technology Corporation
Wen-Hui Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Safety transaction method
Patent number
6,334,575
Issue date
Jan 1, 2002
Singular Technology Corp.
Liang Su-Hui
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transmission device for card reader comprising transmission and wor...
Patent number
6,189,797
Issue date
Feb 20, 2001
Industrial Technology Research Institute
Shen-Yuan Chien
G06 - COMPUTING CALCULATING COUNTING