Granted Patent
Utility
US 5,728,997 · App. 08/686,372
Apparatus for controlling power of a microwave oven
Inventors:
Sang Jin Kim, Heung-Dae Kang
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Jul 25, 1996
Inventors
Sang Jin Kim
Heung-Dae Kang
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.