Granted Patent
Utility
US 5,630,484 · App. 08/500,143
Brake shoe and internal shoe drum brake
Inventor:
Paul F. Ridealgh
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jul 10, 1995
Inventor
Paul F. Ridealgh
Assignee (at issue)
Lucas Industries public limited 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.