Granted Patent
Utility
US 4,797,182 · App. 07/037,661
Electrode with a platinum metal catalyst in surface film and its use
Inventors:
Henri B. Beer, Dirk Arnouts
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Apr 13, 1987
Inventors
Henri B. Beer
Dirk Arnouts
Assignee (at issue)
Eltech Systems Corporation
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.