Granted Patent
Utility
US 6,224,813 · App. 09/233,462
Method for controlling temperature of mold for injection molding
Inventor:
Jae Eon Chang
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Jan 20, 1999
Inventor
Jae Eon Chang
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.