Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |