Granted Patent
Utility
US 5,702,839 · App. 08/666,056
Manufacture of electrodes
Inventors:
Jonathan Charles Frost, John Gascoyne, Graham Alan Hards, David P. Wilkinson, Keith B. Prater
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Jun 19, 1996
Inventors
Jonathan Charles Frost
John Gascoyne
Graham Alan Hards
David P. Wilkinson
Keith B. Prater
Assignee (at issue)
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
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.