Granted Patent
Utility
US 5,516,053 · App. 08/192,966
Welded metal hardfacing pattern for cone crusher surfaces
Inventor:
Donald W. Hannu
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: Feb 7, 1994
Inventor
Donald W. Hannu
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.