Granted Patent
Utility
US 5,844,795 · App. 08/651,647
Diagnostic aid for industrial controller using multi-tasking architecture
Inventors:
David A. Johnston, Charles M. Rischar, Jennifer McDonel
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: May 22, 1996
Inventors
David A. Johnston
Charles M. Rischar
Jennifer McDonel
Assignee (at issue)
Allen-Bradley Company, LLC
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.