Granted Patent
Utility
US 6,204,963 · App. 09/297,816
Retrofittable tubular intermediary element
Inventors:
Paul Grafenhain, Ruedi Rottermann
Patented Case
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Granted: Mar 20, 2001
Filed: May 14, 1999
Inventors
Paul Grafenhain
Ruedi Rottermann
Assignee (at issue)
LEICA MICROSYSTEMS NC, INC.
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.