Granted Patent
Utility
US 5,938,418 · App. 08/853,897
Scroll type fluid displacement apparatus with decreased manufacturing cost
Inventor:
Jiro Iizuka
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: May 9, 1997
Inventor
Jiro Iizuka
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.