Dalian
China
6
2022-11-03
The entities that hold a legal rights for patent applications filed by inventor Liu Yi:
Yi Liu from Dalian, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
DRY SPRINKLER
#2 | 2020-01-23Dry sprinkler
#3 | 2016-06-23Dry sprinkler
#4 | 2015-03-19Dry sprinkler
#5 | 2014-06-26Dry sprinkler
#6 | 2013-02-28Bracket
107799 ⎘