Granted Patent
Utility
US 6,382,081 · App. 09/297,922
Reciprocating compressor
Inventors:
Yasuhiko Tanaka, Ikutomo Umeoka, Ichiro Kita, Masataka Oda
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Jul 13, 1999
Inventors
Yasuhiko Tanaka
Ikutomo Umeoka
Ichiro Kita
Masataka Oda
Assignee (at issue)
Matsushita Refrigeration Company
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.