Timer Device and Time Measurement System
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United States of America Patent
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Issued Date -
Dec 31, 2015
app pub date -
May 29, 2014
filing date -
May 29, 2013
priority date (Note) -
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Abstract
Provided are: a timer device allowing a user to visually and aurally recognize time related to an object and reducing a problem of passing a time limit related to the object, and a time measurement system including the timer device.
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