9 Utility Patents
#813 in Taichung
#11,816 in Taiwan
#457,239 in the World
Forward Citations = 3
Company Filing History:


Tpk Holding Co., Ltd.
where one patent can have more than one assignee
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#813 in Taichung
#11,816 in Taiwan
#457,239 in the World
Company Filing History:


Get your Inventor Badge Today