Granted Patent
Utility
US 5,714,271 · App. 08/365,453
Electrolytic condenser electrode and aluminum foil therefor
Inventors:
Tomoaki Yamanoi, Tadao Fujihira, Ichizo Tsukuda, Eizo Isoyama, Shigeru Endo
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Dec 28, 1994
Inventors
Tomoaki Yamanoi
Tadao Fujihira
Ichizo Tsukuda
Eizo Isoyama
Shigeru Endo
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.