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Patents
Patents Assigned to GREENAIRTECH CO., LTD.
Patents Assigned to GREENAIRTECH CO., LTD.
Joint pipe to duct connection
Patent number:
D936802
Type:
Grant
Filed:
February 17, 2020
Date of Patent:
November 23, 2021
Assignee:
GREENAIRTECH CO., LTD.
Inventor:
Sung-Keun Noh
Connecting tube cap
Patent number:
D957938
Type:
Grant
Filed:
April 15, 2020
Date of Patent:
July 19, 2022
Assignee:
GREENAIRTECH CO., LTD.
Inventor:
Sung-Keun Noh