Granted Patent
Utility
US 4,701,917 · App. 06/622,450
Diagnostic circuit
Inventors:
Thomas M. Jones, David M. Chastain
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Jun 20, 1984
Inventors
Thomas M. Jones
David M. Chastain
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.