15 Utility Patents
#1,998 in Austin, TX
#8,310 in Texas
#123,626 in US
#247,062 in the World
Forward Citations = 70
Company Filing History:

Pen Inc.
Sichuan Yinhe Chemical Co., Ltd.
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#1,998 in Austin, TX
#8,310 in Texas
#123,626 in US
#247,062 in the World
Company Filing History:

Get your Inventor Badge Today