Granted Patent
Utility
US 5,532,084 · App. 08/446,370
Manganese dioxide product
Inventors:
Enoch I. Wang, William L. Bowden, Lifun Lin
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 22, 1995
Inventors
Enoch I. Wang
William L. Bowden
Lifun Lin
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.