Granted Patent
Utility
US 4,744,950 · App. 06/899,117
Method of inhibiting the corrosion of copper in aqueous mediums
Inventor:
Orin Hollander
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Aug 22, 1986
Inventor
Orin Hollander
Assignee (at issue)
Betz Laboratories, Inc.
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.