Granted Patent
Utility
US 5,006,992 · App. 07/103,014
Process control system with reconfigurable expert rules and control modules
Inventor:
Richard D. Skeirik
Patented Case
View Patent ↗
Granted: Apr 9, 1991
Filed: Sep 30, 1987
Inventor
Richard D. Skeirik
Assignee (at issue)
Du Pont de Nemours and Company
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.