Granted Patent
Utility
US 6,818,939 · App. 10/623,397
Vertical compound semiconductor field effect transistor structure
Inventor:
Peyman Hadizad
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Jul 18, 2003
Inventor
Peyman Hadizad
Assignee (at issue)
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
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.