IP Library › Granted Patent US 5,997,663
Granted Patent Utility
US 5,997,663 · App. 09/175,575

Nickel-free copper alloy

Inventors: Kazuhiko Kita, Yasuharu Yoshimura
Patented Case View Patent ↗
Granted: Dec 7, 1999 Filed: Oct 20, 1998
Inventors
Kazuhiko Kita
Yasuharu Yoshimura
Assignee (at issue)
YKK Corporation

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Quick Facts
Patent No.
US 5,997,663
App. No.
09/175,575
Filed
1998-10-20
Granted
1999-12-07
Kind
A