Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055750 | Excavating machine with lift arm assembly | Steven J. Ditzler | 2000-05-02 |
| 5943797 | Excavating machine with conveyor assembly | Steven J. Ditzler | 1999-08-31 |
| 5873186 | Excavating machine with cleaning device | Samuel Strong | 1999-02-23 |
| 5809670 | Excavating machine with grooving device | Samuel Strong | 1998-09-22 |