Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464120 | Sheet material having weakness zones and a system for dispensing the material | Douglas W. Johnson, Dale T. Gracyalny, Thomas N. Kershaw | 2002-10-15 |
| 6447864 | Sheet material having weakness zones and a system for dispensing the material | Douglas W. Johnson, Dale T. Gracyalny, Thomas N. Kershaw | 2002-09-10 |
| 6412678 | Sheet material dispensing apparatus and method | Dale T. Gracyalny, David Carpenter, Kamala J. Grasso, Douglas W. Johnson, Peter D. Johnson +3 more | 2002-07-02 |