Granted Patent
Utility
US 5,865,921 · App. 08/606,982
Tire noise treatment
Inventors:
Paul Christopher Zakelj, John L. Turner
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Feb 26, 1996
Inventors
Paul Christopher Zakelj
John L. Turner
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.