Granted Patent
Utility
US 6,676,440 · App. 10/412,584
Coin type electric element and printed circuit board with a coin type electric element
Inventors:
Shoichi Inamine, Masahiro Imanishi, Yoshitaka Minamida, Katsuyuki Kida, Nobuhiro Nishiguchi, Seiji Morita
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Apr 14, 2003
Inventors
Shoichi Inamine
Masahiro Imanishi
Yoshitaka Minamida
Katsuyuki Kida
Nobuhiro Nishiguchi
Seiji Morita
Assignee (at issue)
SANYO ELECTRIC 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.