Granted Patent
Utility
US 5,529,639 · App. 08/322,565
Flux used in the low-temperature brazing and a method of flux brazing a low-melting aluminum material
Inventors:
Shoichi Sato, Seiji Tasaki, Masahiro Yoshida, Takeshi Otsubo
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Oct 13, 1994
Inventors
Shoichi Sato
Seiji Tasaki
Masahiro Yoshida
Takeshi Otsubo
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.