Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610001 | Cushioning conversion machine and method | Joseph J. Harding, Richard O. Ratzel, Thomas E. Manley, Theo Corthout, Pieter Fennema | 2003-08-26 |
| 6540652 | Cushioning conversion machine and method | Richard O. Ratzel, Michael J. Lencoski, Dirk Johannes Siekmann | 2003-04-01 |