Granted Patent
Utility
US 6,608,493 · App. 09/969,931
Portable testing device
Inventors:
Thomas Hensler, Reinhard Kaufmann, Ulrich Klapper, Michael Kruger, Zeljko Schreiner
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Oct 3, 2001
Inventors
Thomas Hensler
Reinhard Kaufmann
Ulrich Klapper
Michael Kruger
Zeljko Schreiner
Assignee (at issue)
Omicron electronics 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.