Granted Patent
Utility
US 6,418,758 · App. 09/613,143
Washing machine
Inventors:
Tomohiko Ikeda, Katsuhito Nakagawa, Akira Takenaka, Yoshitaka Tsunomoto
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jul 10, 2000
Inventors
Tomohiko Ikeda
Katsuhito Nakagawa
Akira Takenaka
Yoshitaka Tsunomoto
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.