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Patent applications and USPTO patent grants for Q-Mark Technology Corp..The latest application filed is for "psp video conversion device".
Patent | Date |
---|---|
PSP video conversion device App 20070103582 - Chen; William | 2007-05-10 |
External light carrying device for Gameboy Advance App 20040092318 - Chen, William | 2004-05-13 |
Signal extension card socket for aligned wire connector App 20030207599 - Chen, William | 2003-11-06 |
Joystick for video game Grant D409,183 - Chen May 4, 1 | 1999-05-04 |
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