Granted Patent
Utility
US 6,552,280 · App. 09/665,799
Surface-hardened austenitic stainless steel precision weight and process of making same
Inventor:
Jean-Maurice Tellenbach
Patented Case
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Granted: Apr 22, 2003
Filed: Sep 20, 2000
Inventor
Jean-Maurice Tellenbach
Assignee (at issue)
Mettler-Toledo 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.