Granted Patent
Utility
US 6,045,950 · App. 09/105,510
Solvent for electrolytic solutions
Inventor:
Hao-Hsun Chang
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jun 26, 1998
Inventor
Hao-Hsun Chang
Assignee (at issue)
Duracell Inc.
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.