Granted Patent
Utility
US 6,318,521 · App. 09/334,072
Externally guided ER damper
Inventors:
William S. Niaura, Peyman Pakdel
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jun 16, 1999
Inventors
William S. Niaura
Peyman Pakdel
Assignee (at issue)
Bridgestone Firestone
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.