Granted Patent
Utility
US 5,208,117 · App. 07/808,311
Battery and manufacturing method for battery cover
Inventors:
Sachio Uemichi, Shuji Takahashi
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Dec 16, 1991
Inventors
Sachio Uemichi
Shuji Takahashi
Assignees (at issue)
Sachio Uemichi
Shuji Takahashi
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.