Granted Patent
Utility
US 6,465,134 · App. 09/499,448
Gel electrolyte and gel electrolyte battery
Inventors:
Mashio Shibuya, Shuji Goto
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Feb 7, 2000
Inventors
Mashio Shibuya
Shuji Goto
Assignee (at issue)
SONY GROUP CORPORATION
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.