Granted Patent
Utility
US 5,547,517 · App. 08/276,544
Brazing agent and a brazing sheet both comprising an aluminum alloy containing a flux
Inventor:
Ichiro Iwai
Patented Case
View Patent ↗
Granted: Aug 20, 1996
Filed: Jul 18, 1994
Inventor
Ichiro Iwai
Assignee (at issue)
Showa Aluminum Corp.
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.