Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758801 | Cushioning conversion machine and method | Joseph J. Harding, Richard O. Ratzel, Thomas E. Manley, Roger P. M. Rinkens, Pieter Fennema | 2004-07-06 |
| 6610001 | Cushioning conversion machine and method | Joseph J. Harding, Richard O. Ratzel, Thomas E. Manley, Roger P. M. Rinkens, Pieter Fennema | 2003-08-26 |
| 6200251 | Cushioning conversion machine and method | Joseph J. Harding, Richard O. Ratzel, Thomas E. Manley, Roger P. M. Rinkens, Pieter Fennema | 2001-03-13 |