Granted Patent
Utility
US 4,510,018 · App. 06/581,812
Solution and process for treating copper and copper alloys
Inventor:
William M. McGowan
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Feb 21, 1984
Inventor
William M. McGowan
Assignee (at issue)
The LEA Manufacturing 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.