Granted Patent
Utility
US 4,869,352 · App. 07/247,824
Brake shoe guide member and brake using same
Inventor:
Ernest C. Sampson
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Sep 22, 1988
Inventor
Ernest C. Sampson
Assignee (at issue)
Eaton 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.