Granted Patent
Utility
US 5,744,255 · App. 08/707,091
Aluminum alloy brazing material and brazing sheet adaptable for heat exchanges
Inventors:
Takeyoshi Doko, Koji Okada, Tokinori Onda, Hiroaki Takeuchi, Yoji Hirano
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Sep 3, 1996
Inventors
Takeyoshi Doko
Koji Okada
Tokinori Onda
Hiroaki Takeuchi
Yoji Hirano
Assignees (at issue)
FURUKAWA ELECTRIC CO., LTD.
Nippondenso Co., Ltd.
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.