Granted Patent
Utility
US 5,782,608 · App. 08/725,603
Method and apparatus for controlling a progressing cavity well pump
Inventor:
Fount E. McKee
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Oct 3, 1996
Inventor
Fount E. McKee
Assignee (at issue)
Delta-X 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.