Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6283697 | Mobile apparatus with plurality of conveyors | Kevin J. Pierce, Michael J. Pierce, Wayne A. Pierce | 2001-09-04 |
| 6220531 | Conveying, spreading and milling apparatus | Kevin J. Pierce, Michael J. Pierce, Wayne A. Pierce | 2001-04-24 |
| 5833012 | Scraper and drag attachment | Kevin J. Pierce, Michael J. Pierce, Wayne A. Pierce | 1998-11-10 |