Granted Patent
Utility
US 5,486,155 · App. 08/275,845
Rotatable endoscope sheath
Inventors:
Richard P. Muller, Richard J. O'Hare
Patented Case
View Patent ↗
Granted: Jan 23, 1996
Filed: Jul 15, 1994
Inventors
Richard P. Muller
Richard J. O'Hare
Assignee (at issue)
Circon 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.