Granted Patent
Utility
US 5,940,293 · App. 08/955,486
Bar chart editor for industrial controller
Inventors:
Marvin J. Schwenke, James A. Sinclair
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 22, 1997
Inventors
Marvin J. Schwenke
James A. Sinclair
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.