Granted Patent
Utility
US 5,439,041 · App. 08/207,523
Vehicle tire including lightweight stiffening spacer in each sidewall
Inventor:
Karl J. Siegenthaler
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Mar 7, 1994
Inventor
Karl J. Siegenthaler
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.