Granted Patent
Utility
US 6,575,318 · App. 10/024,078
Locking unit for a telescopic jib of a crane and telescopic jib
Inventors:
Walter Stowasser, Klaus Meissner, Hans-Walter Brenner, Klaus Conrad, Thomas Krebs, Michael Irsch, Jens Fery
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Dec 17, 2001
Inventors
Walter Stowasser
Klaus Meissner
Hans-Walter Brenner
Klaus Conrad
Thomas Krebs
Michael Irsch
Jens Fery
Assignee (at issue)
Atecs Mannesmann 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.