Granted Patent
Utility
US 5,200,430 · App. 07/672,972
Debridement of bodily cavities using debridement fluids
Inventor:
Jay L. Federman
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Mar 21, 1991
Inventor
Jay L. Federman
Assignee (at issue)
Escalon Ophthalmics, 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.