Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581659 | Tire with silica-reinforced tread comprised of trans 1,4-polybutadiene, solution, SBR polyisoprene and defined amount of carbon black and amorphous silica | David John Zanzig, Paul Harry Sandstrom, John Joseph Andre Verthe, Edward J. Blok | 2003-06-24 |
| 5718781 | Tire having silica reinforced rubber tread containing carbon fibers | John Joseph Andre Verthe, Joseph Kevin Hubbell | 1998-02-17 |
| 5504140 | Tire with tread of elastomer composition | David John Zanzig, Paul Harry Sandstrom, John Joseph Andre Verthe, Raymond R. DiRossi | 1996-04-02 |
| 5300577 | Rubber blend and tire with tread thereof | Raymond R. DiRossi, Joseph Kevin Hubbell, Mark Henry Seloover, John Joseph Andre Verthe | 1994-04-05 |
| 5087668 | Rubber blend and tire with tread thereof | Paul H. Standstrom, J. Dale Massie, II, John Joseph Andre Verthe, Raymond R. DiRossi | 1992-02-11 |