Granted Patent
Utility
US 6,809,379 · App. 10/258,354
Field effect transistor and method for producing a field effect transistor
Inventor:
Franz Kreupl
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 24, 2003
Inventor
Franz Kreupl
Assignee (at issue)
Infineon Technologies AG
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.