Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065606 | Elevatable frame for transportable sorting machines | — | 2000-05-23 |
| 5720440 | Cover rotating drum grinding machine | Melvin A. Zehr | 1998-02-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6065606 | Elevatable frame for transportable sorting machines | — | 2000-05-23 |
| 5720440 | Cover rotating drum grinding machine | Melvin A. Zehr | 1998-02-24 |