Granted Patent
Utility
US 5,470,929 · App. 08/300,907
Process for synthesizing styrene-isoprene rubber
Inventors:
David John Zanzig, Paul Harry Sandstrom, Joseph Kevin Hubbell, Wen-Liang Hsu, Adel Farhan Halasa, John Joseph Andre Verthe
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Sep 6, 1994
Inventors
David John Zanzig
Paul Harry Sandstrom
Joseph Kevin Hubbell
Wen-Liang Hsu
Adel Farhan Halasa
John Joseph Andre Verthe
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.