Granted Patent
Utility
US 5,896,921 · App. 08/863,400
Indoor unit of an air conditioner
Inventor:
Sang-Oh Lee
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: May 27, 1997
Inventor
Sang-Oh Lee
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.