Granted Patent
Utility
US 5,661,990 · App. 08/602,930
Power transfer apparatus for a washing machine
Inventor:
Chan Ho Chong
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Feb 16, 1996
Inventor
Chan Ho Chong
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.