Granted Patent
Utility
US 4,581,336 · App. 06/539,195
Surface-modified electrodes
Inventors:
Thomas P. Malloy, Louis J. DeFilippi
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Oct 5, 1983
Inventors
Thomas P. Malloy
Louis J. DeFilippi
Assignee (at issue)
UOP LLC
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.