Granted Patent
Utility
US 5,857,964 · App. 08/889,513
Endoscope with interlocking articulating deflection system
Inventors:
Gregory S. Konstorum, Edward A. Grabover, Ronald Michael Callanan, Carlo A. DiRusso
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Jul 8, 1997
Inventors
Gregory S. Konstorum
Edward A. Grabover
Ronald Michael Callanan
Carlo A. DiRusso
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.