Granted Patent
Utility
US 6,827,976 · App. 10/123,304
Method to increase wear resistance of a tool or other machine component
Inventors:
Volker Derflinger, Hans Braendle, Christian Wohlrab
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Apr 17, 2002
Inventors
Volker Derflinger
Hans Braendle
Christian Wohlrab
Assignee (at issue)
Unaxis Trading Ltd
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.