South Korea
2
2018-11-15
2
2019-04-09
These are the the leading inventors for applications assigned to ETR CO., LTD.:
ETR CO., LTD. based in , KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Clearance control swash plate device and single-shaft two-speed drive system with friction clutch applied thereto
#2 | 2018-02-22 ✅ Patent 10,047,841 granted on 2018-08-14Single-shaft two-speed drive system
542899 ⎘