Granted Patent
Utility
US 6,405,838 · App. 09/634,673
Electric parking brake for drum brakes
Inventor:
Schuyler S. Shaw
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 8, 2000
Inventor
Schuyler S. Shaw
Assignee (at issue)
Delphi Technologies
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.