Granted Patent
Utility
US 6,019,820 · App. 08/852,718
Liquid jet compressor
Inventor:
Glenn Fred Leverett
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: May 7, 1997
Inventor
Glenn Fred Leverett
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.