Granted Patent
Utility
US 5,993,908 · App. 08/864,277
Method of producing an aluminum film
Inventors:
Manfred Schneegans, Stefan Dietrich, Alexander Hirsch
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: May 28, 1997
Inventors
Manfred Schneegans
Stefan Dietrich
Alexander Hirsch
Assignee (at issue)
Siemens Aktiengesellschaft
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.