Granted Patent
Utility
US 5,129,277 · App. 07/590,876
X-Y controller with pivotally mounted transducers
Inventor:
John L. Lautzenhiser
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Oct 1, 1990
Inventor
John L. Lautzenhiser
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.