Granted Patent
Utility
US 4,133,469 · App. 05/794,886
Furnishing weld material
Inventor:
Fred A. DeSaw
Patented Case
View Patent ↗
Granted: Jan 9, 1979
Filed: May 9, 1977
Inventor
Fred A. DeSaw
Assignee (at issue)
Cooper Industries Holdings
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.