Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9156192 | Micro-erosion process for controlling variable crumb rubber mesh size | Andy R. Butler | 2015-10-13 |
| 8317115 | Micro-erosion recovery system for tire materials | Andy R. Butler | 2012-11-27 |