Granted Patent
Utility
US 5,121,318 · App. 07/340,197
On-line plant operating procedure guidance system
Inventors:
Melvin H. Lipner, David A. Reed, Steven D. Whaley
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Apr 19, 1989
Inventors
Melvin H. Lipner
David A. Reed
Steven D. Whaley
Assignee (at issue)
Westinghouse Electric 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.