Wuhan
China
7
2018-03-15
The entities that hold a legal rights for patent applications filed by inventor SUN Mingdao:
Mingdao SUN from Wuhan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Connecting rod type two-level locking device, hopper car bottom door and hopper car
#2 | 2016-02-04Connecting Rod Type Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car
#3 | 2015-12-10Two-level locking device, hopper car bottom door and hopper car
#4 | 2013-03-07DAMPING DEVICE
#5 | 2013-03-07Railroad car wheel truck
#6 | 2013-02-28Lower side bearing for railroad car wheel truck
#7 | 2013-02-28Railroad car wheel truck
105960 ⎘