Beijing
China
2
2020-07-30
The entities that hold a legal rights for patent applications filed by inventor Yan Wentao:
Wentao Yan from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Additive manufacturing apparatus utilizing combined electron beam selective melting and electron beam cutting
#2 | 2014-10-09Rotor device, turbine rotor device, and gas turbine and turbine engine having same
929005 ⎘