Granted Patent
Utility
US 5,402,985 · App. 08/110,395
Rope winches
Inventors:
Peter L. Owens, David J. Ironside, Graham J. Marsh
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Aug 23, 1993
Inventors
Peter L. Owens
David J. Ironside
Graham J. Marsh
Assignee (at issue)
Maxwell Winches Limited
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.