Granted Patent
Utility
US 6,281,521 · App. 09/112,686
Silicon carbide horizontal channel buffered gate semiconductor devices
Inventor:
Ranbir Singh
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jul 9, 1998
Inventor
Ranbir Singh
Assignee (at issue)
Cree Research 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.