Granted Patent
Utility
US 6,717,112 · App. 10/048,419
Apparatus for annealing a multi-layer body, and such a multi-layer body
Inventor:
Volker Probst
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: May 9, 2002
Inventor
Volker Probst
Assignee (at issue)
Shell Solar GmbH
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.