Granted Patent
Utility
US 6,202,418 · App. 09/229,366
Material selection and conditioning to avoid brittleness caused by nitriding
Inventors:
Frank Gabrielli, Thomas B. Gibbons, Stephen L. Goodstine, James K. O'Neill
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jan 13, 1999
Inventors
Frank Gabrielli
Thomas B. Gibbons
Stephen L. Goodstine
James K. O'Neill
Assignee (at issue)
ABB Combustion Engineering
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.