Inventor · disambiguated record

Guanhua Xu

Also filed as: XU GUANHUA

2 granted patents·12 citations·filing 2012–2019

50Inventor score

Technology areasA47B

Files withHE WEN1 XU GUANHUA1

Top patents by PatentIndex Score

2 records

0158USD894034SFinger ring size adjusterXU GUANHUA·Filed 2019·Granted Aug 25, 2020·12 cites·1 claims
0240US8869712B2Precision tilting platform device used for static calibration of seismometersHE WEN·Filed 2012·Granted Oct 28, 2014·0 cites·10 claims

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