Granted Patent
Utility
US 6,109,598 · App. 09/342,943
Air spring bumper utilizing a combination of materials
Inventors:
Mark D. Hilburger, Terry J. Henderson, Mohamad Taghizadeh, Andreas Peickert, Daniel J. Leonard, James M. Wallin, Todd M. Ziems
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Jun 29, 1999
Inventors
Mark D. Hilburger
Terry J. Henderson
Mohamad Taghizadeh
Andreas Peickert
Daniel J. Leonard
James M. Wallin
Todd M. Ziems
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.