Granted Patent
Utility
US 5,223,354 · App. 07/900,768
Lead-acid battery plate and its manufacturing method
Inventors:
Keiji Senoo, Takamasa Yoshida, Hideharu Ishikawa, Masao Takura
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Jun 19, 1992
Inventors
Keiji Senoo
Takamasa Yoshida
Hideharu Ishikawa
Masao Takura
Assignee (at issue)
Yuasa Battery 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.