Granted Patent
Utility
US 6,414,252 · App. 09/427,632
Calibration system for a weighing scale
Inventors:
Jean-Christophe Emery, Marc Iseli
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 27, 1999
Inventors
Jean-Christophe Emery
Marc Iseli
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.