Granted Patent
Utility
US 4,725,818 · App. 06/775,854
Walk through test system
Inventors:
Charles J. Motyka, Lawrence M. Kaplan, Henry F. Harrington, Rudolph B. Young
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Sep 13, 1985
Inventors
Charles J. Motyka
Lawrence M. Kaplan
Henry F. Harrington
Rudolph B. Young
Assignee (at issue)
Simplex Time Recorder 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.