7 Utility Patents
#463 in Sugar Land, TX
#18,640 in Texas
#280,285 in US
#574,846 in the World
Forward Citations = 0
Company Filing History:

Beijing Huamei Inc.

4. 1 out of 7
Cnpc Chuanqing Drilling Engineering Company Limited
5. 1 out of 1
Cnps USA Corporation
where one patent can have more than one assignee
Get your Inventor Badge Today