Granted Patent
Utility
US 6,524,364 · App. 09/486,371
Corrosion resistant cemented carbide
Inventor:
Stefan Ederyd
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: May 15, 2000
Inventor
Stefan Ederyd
Assignee (at issue)
SANDVIK AB
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.