Granted Patent
Utility
US 5,156,935 · App. 07/373,371
Lead-acid battery
Inventors:
Eiji Hohjo, Kenjiro Kishimoto, Yoshio Kasai, Hiroto Nakashima, Osamu Matsushita
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jun 28, 1989
Inventors
Eiji Hohjo
Kenjiro Kishimoto
Yoshio Kasai
Hiroto Nakashima
Osamu Matsushita
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.