Granted Patent
Utility
US 6,481,242 · App. 09/874,059
Condenser and freezer
Inventors:
Yoshinori Shirakata, Kenji Ueda, Wataru Seki, Yoichiro Iritani, Akihiro Kawada
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jun 6, 2001
Inventors
Yoshinori Shirakata
Kenji Ueda
Wataru Seki
Yoichiro Iritani
Akihiro Kawada
Assignee (at issue)
MITSUBISHI ELECTRIC 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.