Granted Patent
Utility
US 4,765,598 · App. 07/018,681
Apparatus for making electrode material from high hardness active materials
Inventors:
Douglas C. Magnuson, Merle Wolff, Sam Lev, Kenneth L. Jeffries, Scott D. Mapes
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Feb 25, 1987
Inventors
Douglas C. Magnuson
Merle Wolff
Sam Lev
Kenneth L. Jeffries
Scott D. Mapes
Assignee (at issue)
Energy Conversion Devices, 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.