Granted Patent
Utility
US 5,791,152 · App. 08/870,447
Refrigerator having a device for generating an air curtain and method for controlling an air curtain generating operation
Inventor:
Byung-Jun Choi
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Jun 6, 1997
Inventor
Byung-Jun Choi
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.