Granted Patent
Utility
US 6,032,471 · App. 09/217,606
Defrost control method for use in a refrigerator
Inventor:
Byung Joon Choi
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Dec 22, 1998
Inventor
Byung Joon 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.