Granted Patent
Utility
US 5,288,215 · App. 07/978,722
Integral motor centrifugal pump
Inventors:
Dennis Chancellor, Temple M. Chancellor, Jacquetta Vogel
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Nov 19, 1992
Inventors
Dennis Chancellor
Temple M. Chancellor
Jacquetta Vogel
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.