Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974407 | Cushioning conversion machine and method | Richard O. Ratzel, Joseph J. Harding, Michael J. Lencoski, Donald J. Barnhouse | 2005-12-13 |
| 6080097 | Cushioning conversion machine with single feed/cut motor | Richard O. Ratzel | 2000-06-27 |