Granted Patent
Utility
US 6,287,078 · App. 09/475,631
Axial flow fan
Inventors:
Ok Ryul Min, Kyung Seok Cho
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 30, 1999
Inventors
Ok Ryul Min
Kyung Seok Cho
Assignee (at issue)
HALLA CLIMATE CONTROL CORP.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.