Granted Patent
Utility
US 5,919,391 · App. 09/062,663
Microwave oven having arcuate concave portions in a cavity for distributing microwaves
Inventor:
Woo-Keum Jun
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Apr 20, 1998
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.