Granted Patent
Utility
US 5,896,752 · App. 08/828,013
Refrigerator for discharging cool air from a door by using an air curtain generating device
Inventor:
Hyun Keun Park
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Mar 27, 1997
Inventor
Hyun Keun Park
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.