Granted Patent
Utility
US 5,199,586 · App. 07/736,029
Quick-connect sectional boom members for cranes and the like
Inventors:
David J. Pech, Wayne W. Beebe, Terry S. Casavant, John M. Lanning, Paul M. Pukita, Michael J. Wanek
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jul 25, 1991
Inventors
David J. Pech
Wayne W. Beebe
Terry S. Casavant
John M. Lanning
Paul M. Pukita
Michael J. Wanek
Assignee (at issue)
The Manitowoc Company, 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.