Granted Patent
Utility
US 5,879,129 · App. 08/030,826
Continuous breakdown tilt hoist with overhead rotatable secondary hoist
Inventors:
William R. Newnes, James B. Hannebauer
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 26, 1998
Inventors
William R. Newnes
James B. Hannebauer
Assignee (at issue)
CAE Newens Ltd.
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.