Granted Patent
Utility
US 6,200,528 · App. 09/156,727
Cobalt free high speed steels
Inventors:
Mark S. Rodney, James L. Maloney, III, George M. Waid
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Sep 17, 1998
Inventors
Mark S. Rodney
James L. Maloney, III
George M. Waid
Assignee (at issue)
Latrobe Steel Company
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.