Granted Patent
Utility
US 6,809,003 · App. 10/405,718
Bi-directional epitaxial doping technique
Inventor:
Daniel J. Fertig
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Apr 2, 2003
Inventor
Daniel J. Fertig
Assignee (at issue)
PolarFab, 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.