Granted Patent
Utility
US 4,287,744 · App. 06/074,169
Taper rolling machine
Inventors:
Edward J. Furness, Philip A. Wade
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Sep 10, 1979
Inventors
Edward J. Furness
Philip A. Wade
Assignee (at issue)
British Steel 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.