Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326322 | Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength | Paul J. Ruthven, Dale T. Gracyalny, Galyn A. Schulz, John R. DeMille, Alan J. Kraszewski +4 more | 2008-02-05 |
| 6887349 | Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength | Paul J. Ruthven, Dale T. Gracyalny, Galyn A. Schulz, John R. DeMille, Alan J. Kraszewski +4 more | 2005-05-03 |