Granted Patent
Utility
US 6,336,798 · App. 09/693,865
Rotation preventing mechanism for scroll-type fluid displacement apparatus
Inventors:
Shinichi Ohtake, Jiro Iizuka, Akiyoshi Higashiyama
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Oct 23, 2000
Inventors
Shinichi Ohtake
Jiro Iizuka
Akiyoshi Higashiyama
Assignee (at issue)
SANDEN 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.