Granted Patent
Utility
US 6,823,970 · App. 10/417,840
Brake drum pilot and method of manufacturing same
Inventors:
Brian D. Hayes, Robert J. Martin, Tomaz Dopico Varela
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Apr 17, 2003
Inventors
Brian D. Hayes
Robert J. Martin
Tomaz Dopico Varela
Assignee (at issue)
ArvinMeritor Technology, LLC
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.