Granted Patent
Utility
US 6,653,578 · App. 09/830,107
Track scales with continuous rails and weighing sleepers
Inventors:
Helmut Gassmann, Joachim Hose von Wolfframsdorff
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jun 11, 2001
Inventors
Helmut Gassmann
Joachim Hose von Wolfframsdorff
Assignee (at issue)
Pfister Waagen Bilanciai 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.