Granted Patent
Utility
US 4,504,597 · App. 06/580,595
Cupreous catalyst and process making same
Inventors:
Erhard Klar, Don H. Hashiguchi, Ronald Dietrich
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Feb 16, 1984
Inventors
Erhard Klar
Don H. Hashiguchi
Ronald Dietrich
Assignee (at issue)
SCM Consultants, 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.