Granted Patent
Utility
US 5,820,009 · App. 08/603,998
Articulated surgical instrument with improved jaw closure mechanism
Inventors:
Hugh Melling, Christopher L. Johnson, Jeffrey R. Oberlin
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Feb 20, 1996
Inventors
Hugh Melling
Christopher L. Johnson
Jeffrey R. Oberlin
Assignee (at issue)
Richard-Allan Medical Industries, 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.