7 Utility Patents
#11 in Henan
#19,102 in China
#597,499 in the World
Forward Citations = 1
Company Filing History:
Welead Infrastructure Engineering Technology (zhengzhou), Ltd.
Infrastructure Renewal Institute of Southern China
Safekey Engineering Technology (zhengzhou), Ltd.
4. 1 out of 1
Infrastructure Renewal Institute of Southern California
where one patent can have more than one assignee
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