Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7610866 | Radio controlled tree planter | Michael J. Pierce, Austin M. Pierce, Megan Pierce | 2009-11-03 |
| 6832883 | Conveyor bin stand | — | 2004-12-21 |
| 6715696 | Remote control bin device | — | 2004-04-06 |
| 6283697 | Mobile apparatus with plurality of conveyors | Michael J. Pierce, Karen Dufault, Wayne A. Pierce | 2001-09-04 |
| 6237695 | Dethatcher apparatus | Michael J. Pierce | 2001-05-29 |
| 6220531 | Conveying, spreading and milling apparatus | Michael J. Pierce, Karen Dufault, Wayne A. Pierce | 2001-04-24 |
| 6196329 | Dethatcher | — | 2001-03-06 |
| 5833012 | Scraper and drag attachment | Michael J. Pierce, Karen Dufault, Wayne A. Pierce | 1998-11-10 |
| 5273211 | Trailer device for mixing and spreading sand and peat | Michael J. Pierce, Wayne A. Pierce, Lyle S. Pierce, Randal J. Dufault | 1993-12-28 |
| 4353201 | Crop harvesting apparatus | Michael J. Pierce, Wayne A. Pierce | 1982-10-12 |