| 8683777 |
Cushioning conversion system and method |
Richard O. Ratzel, Paul J. Guth, MacDonald C. Booze |
2014-04-01 |
| 6877297 |
Cushioning conversion system and method |
Richard O. Ratzel, Paul J. Guth, MacDonald C. Booze |
2005-04-12 |
| 6561964 |
Cushioning conversion machine and method |
Richard O. Ratzel, Michael J. Lencoski, James A. Simmons, David V. Murphy |
2003-05-13 |
| 6077209 |
Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine |
Richard O. Ratzel, Walter J. Brugge, John E. Silvis, William J. Dobson |
2000-06-20 |
| 5997461 |
Cushioning conversion machine and method |
Richard O. Ratzel, Michael J. Lencoski, James A. Simmons, David V. Murphy |
1999-12-07 |
| 5803893 |
Cushioning conversion machine and method |
Richard O. Ratzel, Michael J. Lencoski, James A. Simmons, David V. Murphy |
1998-09-08 |
| 5727499 |
Lightweight disposable kitty litter box |
Carl V. Santoiemmo, Dale A. Panasewicz |
1998-03-17 |
| 5674172 |
Cushioning conversion machine having a single feed/cut handle |
Richard O. Ratzel, James A. Simmons |
1997-10-07 |
| 5658229 |
Downsized cushioning dumnage conversion machine and cutting assemblies for use on such a machine |
Richard O. Ratzel, Walter J. Brugge, John E. Silvis, William J. Dobson |
1997-08-19 |
| 5655479 |
Lightweight disposable kitty litter box method |
Carl V. Santoiemmo, Dale A. Panasewicz |
1997-08-12 |
| 5607383 |
Modular cushioning conversion machine |
Richard O. Ratzel, Michael J. Lencoski |
1997-03-04 |
| 5593376 |
Cushioning conversion machine and method |
Richard O. Ratzel |
1997-01-14 |
| D370920 |
Cushioning conversion machine |
Richard O. Ratzel, Michael J. Lencoski |
1996-06-18 |
| 5468208 |
Downsized cushioning dunnage conversion machine and packaging systems employing the same |
John E. Silvis |
1995-11-21 |
| 5322477 |
Downsized cushioning dunnage conversion machine and packaging systems employing the same |
Richard O. Ratzel, Walter J. Brugge, John E. Silvis, William J. Dobson |
1994-06-21 |
| 5123889 |
Downsized cushioning dunnage conversion machine and cutting assemblies for use on such a machine |
Richard O. Ratzel, Walter J. Brugge, John E. Silvis, William J. Dobson |
1992-06-23 |
| 4806410 |
Processes for the production of antistatic or static dissipative paper, and the paper products thus produced, and apparatus utilized |
Stephen A. Halperin, Gordon E. Pickett, Barbara A. Metz |
1989-02-21 |
| 4650456 |
Mechanism for producing pad-like cushioning dunnage product from sheet material with separate stock roll cart |
— |
1987-03-17 |