Granted Patent
Utility
US 4,454,933 · App. 06/258,067
Disc brake
Inventors:
Harry A. Hunnicutt, James A. Buckley
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 27, 1981
Inventors
Harry A. Hunnicutt
James A. Buckley
Assignee (at issue)
KELSEY-HAYES-COMPANY
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.