Granted Patent
Utility
US 6,537,921 · App. 09/864,436
Vertical metal oxide silicon field effect semiconductor diodes
Inventor:
Richard Metzler
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: May 23, 2001
Inventor
Richard Metzler
Assignee (at issue)
VRAM Technologies, 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.