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US2012095868A1
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Read head device with selected output jack characteristics
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US2012095869A1
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Read head device with narrow card reading slot
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US2012095915A1
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Read head device with selected sampling rate
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US2012095867A1
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Integrated read head device
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US2012095870A1
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Read head device with slot configured to reduce torque
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US2012095914A1
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Systems and methods for financial transaction through miniaturized card reader with decoding on a seller's mobile device
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US2012091200A1
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Card reader device
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US2012095857A1
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Systems and methods for financial transaction through miniaturized card reader with confirmation of payment sent to buyer
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