Daqing
China
1
2019-10-24
1
2021-07-13
These are the the leading inventors for applications assigned to HEILONGJIANG EPPEN NEW MATERIALS CO., LTD.:
HEILONGJIANG EPPEN NEW MATERIALS CO., LTD. based in Daqing, CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
591028 ⎘