Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626812 | Cushioning conversion machine and method | Joseph J. Harding, Richard O. Ratzel, Thomas E. Manley, Mike J. Timmers, Rogers P. M. Rinkens +2 more | 2003-09-30 |
| 6561964 | Cushioning conversion machine and method | Steven E. Armington, Richard O. Ratzel, James A. Simmons, David V. Murphy | 2003-05-13 |
| 6540652 | Cushioning conversion machine and method | Richard O. Ratzel, Roger P. M. Rinkens, Dirk Johannes Siekmann | 2003-04-01 |