Granted Patent
Utility
US 4,635,621 · App. 06/445,806
Lavage system with replaceable pump
Inventor:
Robert W. Atkinson
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Dec 1, 1982
Inventor
Robert W. Atkinson
Assignee (at issue)
Snyder Laboratories, Inc.
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.