7 Utility Patents
#5,946 in Beijing
#19,102 in China
#597,499 in the World
Forward Citations = 0
Company Filing History:
China Petroleum & Chemical Corporation


where one patent can have more than one assignee
Get your Inventor Badge Today
#5,946 in Beijing
#19,102 in China
#597,499 in the World
Company Filing History:


Get your Inventor Badge Today