Granted Patent
Utility
US 6,143,442 · App. 09/090,925
Prismatic battery
Inventors:
Hiroshi Takahashi, Yuji Watanuki, Takayuki Endo
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jun 5, 1998
Inventors
Hiroshi Takahashi
Yuji Watanuki
Takayuki Endo
Assignee (at issue)
Nippon Moli Energy Corp.
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.