Granted Patent
Utility
US 5,889,507 · App. 08/685,486
Miniature isometric joystick
Inventors:
T. Scott Engle, Patrick J. Franz
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jul 24, 1996
Inventors
T. Scott Engle
Patrick J. Franz
Assignee (at issue)
InControl Solutions, 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.