Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604300 | Dump truck | James Whitfield, Jr. | 2009-10-20 |
| 6357773 | Pull out locking cab step assembly | Francis J. Griebel | 2002-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7604300 | Dump truck | James Whitfield, Jr. | 2009-10-20 |
| 6357773 | Pull out locking cab step assembly | Francis J. Griebel | 2002-03-19 |