Granted Patent
Utility
US 5,937,671 · App. 08/965,731
Liquid tank
Inventors:
Seiji Inoue, Akihiko Takano
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 7, 1997
Inventors
Seiji Inoue
Akihiko Takano
Assignee (at issue)
Zexel GmbH
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.