Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174838 | Tire with tread base rubber blend | Paul Harry Sandstrom, William Paul Francik, David Michael Smith | 1992-12-29 |
| 5162425 | Fast curing rubber blend | Paul Harry Sandstrom, Emil M. Friedman, Robert A. Smith | 1992-11-10 |
| 5087668 | Rubber blend and tire with tread thereof | Paul H. Standstrom, John Joseph Andre Verthe, Gregory Martin Holtzapple, Raymond R. DiRossi | 1992-02-11 |