Granted Patent
Utility
US 4,360,253 · App. 06/189,403
Safety glass mounted test result indicator
Inventor:
Kenneth L. Wyatt
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Sep 22, 1980
Inventor
Kenneth L. Wyatt
Assignee (at issue)
Western Electric Company, 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.