3 Utility Patents
#860 in Wuhan
#45,048 in China
Forward Citations = 0
Company Filing History:

China Railway Eleventh Bureau Group Co., Ltd
China Railway Eleventh Bureau Group Fourth Engineering Co., Ltd.
4. 2 out of 2
Wujiu Railway Passenger Dedicated Line Hubei Co., Ltd
5. 2 out of 2
China Railway Southwest Scientific Research Institute Co., Ltd
where one patent can have more than one assignee
Get your Inventor Badge Today