Granted Patent
Utility
US 5,918,573 · App. 09/069,807
Energy efficient fluid pump
Inventor:
David L. Killion
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Apr 30, 1998
Inventor
David L. Killion
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.