Granted Patent
Utility
US 6,280,165 · App. 09/453,205
Scroll type fluid machine
Inventors:
Takeshi Tsuchiya, Isao Hayase, Kazuo Sakurai, Mutsunori Matsunaga
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 3, 1999
Inventors
Takeshi Tsuchiya
Isao Hayase
Kazuo Sakurai
Mutsunori Matsunaga
Assignee (at issue)
HITACHI, 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.