Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018402 | Planetary gear drive for controlled defection rolls | Arnold J. Roerig | 1991-05-28 |
| 4673461 | Enclosed shoe press with flexible end connections for its annular belt | Arnold J. Roerig | 1987-06-16 |