Granted Patent
Utility
US 4,458,452 · App. 06/374,578
Control for grinding machine
Inventors:
George H. McDaniel, William R. Hungerford
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: May 3, 1982
Inventors
George H. McDaniel
William R. Hungerford
Assignee (at issue)
Bendix 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.