Granted Patent
Utility
US 5,492,202 · App. 08/384,175
Vibration damping brake piston for a motor vehicle
Inventors:
Frederick L. Drotar, John Hoffman, Christian A. Valachovic
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Feb 6, 1995
Inventors
Frederick L. Drotar
John Hoffman
Christian A. Valachovic
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.