Dongyang
China
4
2018-12-13
The entities that hold a legal rights for patent applications filed by inventor Du Dejin:
Dejin Du from Dongyang, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Opposite arc isolation device of high voltage direct current relay
#2 | 2018-01-25Horizontal-deflection prevention mechanism for high voltage direct current relay
#3 | 2018-01-25Moving iron core guide mechanism for high voltage direct current relay
#4 | 2018-01-25Sealed high voltage direct current relay
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