Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613043 | Stump grinder chip pickup chute device and collection system | Joseph A. Leonardi | 2023-03-28 |
| 11268257 | Swivel bucket | Joseph A. Leonardi | 2022-03-08 |
| 11259472 | Various improvements to stump cutting tool discs | Joseph A. Leonardi | 2022-03-01 |
| 11071258 | Stump cutting tooth assembly | Joseph A. Leonardi | 2021-07-27 |
| 10537072 | Tooth assembly and cutting bits for stump grinder | Joseph A. Leonardi | 2020-01-21 |
| 10051798 | Various improvements to stump cutting tool discs and elements thereof | Joseph A. Leonardi | 2018-08-21 |
| 10021839 | Various improvements to stump cutting tool discs | Joseph A. Leonardi | 2018-07-17 |
| 9861042 | Stump cutting tooth assembly | Joseph A. Leonardi | 2018-01-09 |
| 9743594 | Wood chip collection system | Joseph A. Leonardi | 2017-08-29 |
| 9137954 | Stump grinding tooth assembly | Joseph A. Leonardi | 2015-09-22 |
| 8789566 | Various improvements to stump cutting tool discs | Joseph A. Leonardi | 2014-07-29 |
| 8678052 | Wood chip collection system | Joseph A. Leonardi | 2014-03-25 |
| 8672001 | Tooth assembly and cutting bits for stump grinder | Joseph A. Leonardi | 2014-03-18 |
| 8584717 | Stump cutting tooth assembly | Joseph A. Leonardi | 2013-11-19 |
| 8408258 | Shock absorbing system for stump grinding apparatus | Joseph A. Leonardi | 2013-04-02 |
| 8186135 | Electrically-powered combination lawn mower, trimmer and edger | Joseph A. Leonardi | 2012-05-29 |
| 6550504 | Stump grinding wheel | Joseph A. Leonardi | 2003-04-22 |
| 6138725 | Stump grinder tooth | Joseph A. Leonardi | 2000-10-31 |