Granted Patent
Utility
US 5,114,412 · App. 07/401,434
Magnetic bladder cycler
Inventor:
David E. Flinchbaugh
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Apr 20, 1989
Inventor
David E. Flinchbaugh
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.