Granted Patent
Utility
US 5,619,409 · App. 08/489,422
Program analysis circuitry for multi-tasking industrial controller
Inventors:
Ronald E. Schultz, Charles M. Rischar, Richard S. Gunsaulus, Otomar Schmidt
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Jun 12, 1995
Inventors
Ronald E. Schultz
Charles M. Rischar
Richard S. Gunsaulus
Otomar Schmidt
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.