Granted Patent
Utility
US 6,627,304 · App. 09/402,748
Absorbent thin-film system consisting of metal and dielectric films
Inventor:
Frank Eisenkrämer
Patented Case
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Granted: Sep 30, 2003
Filed: Oct 12, 1999
Inventor
Frank Eisenkrämer
Assignee (at issue)
Leica Microsystems Wetzlar 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.