Granted Patent
Utility
US 5,697,045 · App. 08/463,291
Method of making an aluminum alloy brazing agent containing a flux
Inventors:
Yasuhiro Osame, Shoichi Sato
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jun 5, 1995
Inventors
Yasuhiro Osame
Shoichi Sato
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.