Granted Patent
Utility
US 5,810,183 · App. 08/451,255
Gantry crane with elevating operator cab
Inventors:
Thomas Feider, Norbert Lenius
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: May 26, 1995
Inventors
Thomas Feider
Norbert Lenius
Assignee (at issue)
Marine Travelift, Inc.
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.