Granted Patent
Utility
US 5,649,635 · App. 08/241,681
Easily removable sheave assembly
Inventors:
Terry S. Casavant, Paul M. Pukita, Michael J. Wanek
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: May 12, 1994
Inventors
Terry S. Casavant
Paul M. Pukita
Michael J. Wanek
Assignee (at issue)
Manitowac Crane Group, 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.