Advanced Precision Technology Inc. has been granted its fourth patent, US Pat. #5,892,599, for its

Advanced Precision Technology Inc. has been granted its fourth patent, US Pat. #5,892,599, for its Miniature Fingerprint Sensor using a trapezoidal prism and a holographic optical element.

Advanced Precision Technology Inc. has been granted its fourth patent, US Pat. #5,892,599, for its Miniature Fingerprint Sensor using a trapezoidal prism and a holographic optical element.

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