Granted Patent
Utility
US 5,866,997 · App. 08/917,459
System for directing an apparatus such as a crane bridge moving on wheels along rails
Inventors:
Timo Sorsa, Matti Kemppainen, Ari Lehtinen
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Aug 26, 1997
Inventors
Timo Sorsa
Matti Kemppainen
Ari Lehtinen
Assignee (at issue)
KCI Konecranes International Corporation
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.