Granted Patent
Utility
US 6,758,659 · App. 10/342,954
Scroll type fluid displacement apparatus with fully compliant floating scrolls
Inventor:
Shimao Ni
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jan 14, 2003
Inventor
Shimao Ni
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.