Granted Patent
Utility
US 6,164,423 · App. 09/159,932
Vented rotor for caliper disc brakes and the like
Inventor:
Weston E. Dickerson
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Sep 24, 1998
Inventor
Weston E. Dickerson
Assignee (at issue)
Hayes Lemmerz International, Inc.
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.