Granted Patent
Utility
US 4,408,746 · App. 06/281,917
Hydraulically actuated winch assembly
Inventors:
James E. Marsch, Herbert L. Eckert
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Jul 9, 1981
Inventors
James E. Marsch
Herbert L. Eckert
Assignee (at issue)
Harnischfeger Corporation
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.