Granted Patent
Utility
US 6,023,862 · App. 09/155,052
Control system for rope bucket
Inventor:
Juhani Sirjola
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Sep 23, 1998
Inventor
Juhani Sirjola
Assignee (at issue)
KCi Konecranes International PLC
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.