4 Utility Patents
#337 in Qingdao
#34,157 in China
Forward Citations = 0
Company Filing History:
Qingdao University of Technology
Qingdao Green Technology Geotechnical Engineering Co., Ltd.
China State Construction Zhongxin Construction Engineering Co., Ltd. Shandong Branch
4. 2 out of 2
Shandong Luqiao Group Co., Ltd., Jinan, China
5. 2 out of 2
Zhongji Jiurui Geotechnical Engineering Co., Ltd.
where one patent can have more than one assignee
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