Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602040 | Method and apparatus for transporting materials in a mine | — | 2003-08-05 |
| 5076749 | Material handling platform for material transport vehicle | Angelo S. Petitto, Sr., James L. Petitto, George W. Marshall | 1991-12-31 |
| 4995783 | Material handling platform for material transport vehicle | Angelo S. Petitto, Sr., James L. Petitto, George W. Marshall | 1991-02-26 |
| 4799850 | Material handling vehicle for use in a mine | Angelo S. Petitto, Sr., James L. Petitto | 1989-01-24 |
| 4411583 | Multi-purpose material handling machine for use in a mine | Angelo S. Petitto, Sr., James L. Petitto | 1983-10-25 |
| 4199299 | Material handling apparatus for use in a mine | Angelo S. Petitto, Sr., James L. Petitto | 1980-04-22 |