Granted Patent
Utility
US 4,872,866 · App. 07/292,163
Medical lavage apparatus
Inventor:
Richard C. Davis
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Dec 30, 1988
Inventor
Richard C. Davis
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.