Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776456 | Zoned tread for racing tires | Paul Harry Sandstrom, Andrew Frederick Weimer, Richard Barkley Campbell, Thomas Charles Lippello, III, Larry Alan Kraus +1 more | 2017-10-03 |
| 8534332 | Tire with cellular rubber tread running surface | Paul Harry Sandstrom, Thomas Charles Lippello, III, Steven Wayne Cronin, Larry Alan Kraus, Ping Zhang | 2013-09-17 |
| 7671126 | Tire with tread | Paul Harry Sandstrom, Steven Wayne Cronin, Thomas Charles Lippello, III, Larry Alan Kraus | 2010-03-02 |