Granted Patent
Utility
US 5,850,074 · App. 08/107,127
Microwave oven equipped with a microwave generating apparatus designed to reduce secondary electron emission
Inventor:
Lee Chung
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Jun 30, 1998
Inventor
Lee Chung
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.