Granted Patent
Utility
US 4,328,549 · App. 06/111,457
Process flow computer control system
Inventor:
Cecil T. Avery
Patented Case
View Patent ↗
Granted: May 4, 1982
Filed: Jan 11, 1980
Inventor
Cecil T. Avery
Assignee (at issue)
Olin Corporation
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.