Granted Patent
Utility
US 5,347,989 · App. 07/943,929
Control mechanism for steerable elongated probe having a sealed joystick
Inventors:
Richard A. Monroe, Jeffrey Perkins, Robert J. Wood
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Sep 11, 1992
Inventors
Richard A. Monroe
Jeffrey Perkins
Robert J. Wood
Assignee (at issue)
Welch Allyn, 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.