Granted Patent
Utility
US 4,552,591 · App. 06/610,452
Oil field biocide composition
Inventor:
Scott MILLAR
Patented Case
View Patent ↗
Granted: Nov 12, 1985
Filed: May 15, 1984
Inventor
Scott MILLAR
Assignee (at issue)
Petrolite 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.