Granted Patent
Utility
US 5,638,600 · App. 08/633,273
Method of making an efficiency enhanced fluid pump or compressor
Inventors:
V. Durga Nageswar Rao, Carlo Alberto Fucinari
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Apr 16, 1996
Inventors
V. Durga Nageswar Rao
Carlo Alberto Fucinari
Assignee (at issue)
Ford Motor 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.