Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530650 | Crawler track shoe with multiple roller paths and multiple drive lugs | Philip Worrall | 2009-05-12 |
| D484149 | Crawler track shoe | Jason Lunn | 2003-12-23 |
| 6543863 | Track shoe | Philip Worrall, Steven M. Hall | 2003-04-08 |