Granted Patent
Utility
US 5,636,124 · App. 08/399,074
Multitasking industrial controller
Inventors:
Charles M. Rischar, David R. Rohn, David A. Johnston, Raymond R. Husted
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Mar 8, 1995
Inventors
Charles M. Rischar
David R. Rohn
David A. Johnston
Raymond R. Husted
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.