Granted Patent
Utility
US 5,504,296 · App. 08/116,010
Method of hot brazing aluminum articles
Inventors:
Shoichi Sato, Ichiro Iwai, Yuichi Furukawa
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Sep 2, 1993
Inventors
Shoichi Sato
Ichiro Iwai
Yuichi Furukawa
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.