Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540652 | Cushioning conversion machine and method | Richard O. Ratzel, Roger P. M. Rinkens, Michael J. Lencoski | 2003-04-01 |
| 6416451 | Output chute for cushioning conversion machine | Richard O. Ratzel, Joseph J. Harding, Edward W. Lintala | 2002-07-09 |
| 5989176 | Output chute for cushioning conversion machine | Richard O. Ratzel, Joseph J. Harding, Edward W. Lintala | 1999-11-23 |
| 5938580 | Cushioning conversion machine with restricted access to a cutting assembly | — | 1999-08-17 |
| 5749539 | Dunnage-creating machine with plugless paper roll and method | Richard O. Ratzel | 1998-05-12 |