Granted Patent
Utility
US 4,982,473 · App. 07/197,519
Wire rope cleaning apparatus
Inventors:
Charles J. Farris, Joseph E. Whitlow, Paul E. Sitzes
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: May 23, 1988
Inventors
Charles J. Farris
Joseph E. Whitlow
Paul E. Sitzes
Assignee (at issue)
AMSTED INDUSTRIES INCORPORATED
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.