Granted Patent
Utility
US 5,825,000 · App. 08/921,244
Wave guide system of a microwave oven
Inventor:
Woo-Keum Jun
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Aug 29, 1997
Inventor
Woo-Keum Jun
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.