Granted Patent
Utility
US 5,570,767 · App. 08/434,216
Drum member having tooth system for receiving multiple discs
Inventor:
Friedel Lauscher
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: May 4, 1995
Inventor
Friedel Lauscher
Assignee (at issue)
Ford Motor 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.