Dalian
China
4
2023-01-26
The entities that hold a legal rights for patent applications filed by inventor DU Changlin:
Changlin DU from Dalian, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Multi-axis turntable
#2 | 2022-12-15Multi-degree-of-freedom numerical control turntable
#3 | 2014-01-30Fully symmetric cutter grinding machine with 5-axis and grinding wheel head bracket thereof
#4 | 2013-11-28Grinding machine with 5-axis for cutter
548458 ⎘