Granted Patent
Utility
US 6,013,163 · App. 08/896,474
Probe for detection of the concentration of various elements in molten metal
Inventors:
Chungwei Hsia, Harry Kozer Harbaugh, Kenneth Dwight Powers
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jul 18, 1997
Inventors
Chungwei Hsia
Harry Kozer Harbaugh
Kenneth Dwight Powers
Assignee (at issue)
USX 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.