Granted Patent
Utility
US 4,697,675 · App. 06/869,794
Shaft aligned backstop for a reducer
Inventors:
Harold R. Johnson, III, Allyn E. Phillips, Erwin R. Carrigan, Richard A. Virgo, James E. Mickelson
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jun 2, 1986
Inventors
Harold R. Johnson, III
Allyn E. Phillips
Erwin R. Carrigan
Richard A. Virgo
James E. Mickelson
Assignee (at issue)
Emerson Electric Co.
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.