Granted Patent
Utility
US 5,571,129 · App. 08/441,381
Surgical cutting instrument with improved cleaning capability and ease of use
Inventor:
David Porter
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: May 15, 1995
Inventor
David Porter
Assignee (at issue)
Portlyn Corporation
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.