Granted Patent
Utility
US 6,220,174 · App. 09/291,976
Guidance system with a truck guided on a rail
Inventors:
Rudolf Güdel, Walter Zulauf, Hans-Ulrich Kurt
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Apr 15, 1999
Inventors
Rudolf Güdel
Walter Zulauf
Hans-Ulrich Kurt
Assignee (at issue)
Gudel Group AG
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.