Granted Patent
Utility
US 6,475,889 · App. 09/546,821
Method of forming vias in silicon carbide and resulting devices and circuits
Inventor:
Zoltan Ring
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Apr 11, 2000
Inventor
Zoltan Ring
Assignee (at issue)
Cree, Inc.
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.