Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10022724 | Stepped shredder hammers | David M. Graf, Christoper M. Carpenter | 2018-07-17 |
| 9855560 | Hammer for shredding machines | David M. Graf, John P. Hoice, Daniel R. Morrow, Terry L. Briscoe, Christopher M. Carpenter | 2018-01-02 |