Granted Patent
Utility
US 5,114,512 · App. 07/474,129
Bead filler construction
Inventors:
Eric Holroyd, Anthony R. Wright
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: May 1, 1990
Inventors
Eric Holroyd
Anthony R. Wright
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.