Granted Patent
Utility
US 6,082,152 · App. 09/062,705
Washing machine having a washing liquid pumping apparatus
Inventor:
Jang-Yun Im
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Apr 20, 1998
Inventor
Jang-Yun Im
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.