Granted Patent
Utility
US 5,253,380 · App. 07/785,546
Washing machine with a bubble generator and method of laundering with use of air bubbles
Inventors:
Moo-Seang Lim, Seung Ki Min, Soon-Chur Se, Hae-Sang You, Jang-Sub Han
Patented Case
View Patent ↗
Granted: Oct 19, 1993
Filed: Oct 31, 1991
Inventors
Moo-Seang Lim
Seung Ki Min
Soon-Chur Se
Hae-Sang You
Jang-Sub Han
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.