Granted Patent
Utility
US 5,857,720 · App. 08/766,261
Opening device for a microwave oven door
Inventor:
Sang Jin Kim
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Dec 13, 1996
Inventor
Sang Jin Kim
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.