Granted Patent
Utility
US 5,758,544 · App. 08/629,897
System and method for locking out an output device when an input device is actuated
Inventor:
Jimmy Lee
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Apr 10, 1996
Inventor
Jimmy Lee
Assignee (at issue)
P. L. Porter Co.
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.