Granted Patent
Utility
US 6,206,080 · App. 09/203,347
Die casting apparatus for a rotor
Inventor:
Yong Ji
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Dec 2, 1998
Inventor
Yong Ji
Assignee (at issue)
Daewoo Electronics Corporation
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.