Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066807 | Dipper door and dipper door trip assembly | Matthew L. Gross, Joseph J. Colwell | 2021-07-20 |
| 10934682 | Straight taper dipper | Dan Feld, William Robert Powers, III | 2021-03-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066807 | Dipper door and dipper door trip assembly | Matthew L. Gross, Joseph J. Colwell | 2021-07-20 |
| 10934682 | Straight taper dipper | Dan Feld, William Robert Powers, III | 2021-03-02 |