8 Utility Patents
#143 in Qingdao
#16,448 in China
#519,349 in the World
Forward Citations = 4
Company Filing History:



4. 2 out of 138

where one patent can have more than one assignee
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#143 in Qingdao
#16,448 in China
#519,349 in the World
Company Filing History:




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