Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10960566 | Apparatus for perforating a nonlinear line of weakness | Laura Marie Tanno, Kathryn Christian Kien | 2021-03-30 |
| 10946545 | Nonlinear line of weakness formed by a perforating apparatus | Kathryn Christian Kien, Jeffrey Moss Vaughn | 2021-03-16 |
| 10919168 | Apparatus for perforating a web material | Laura Marie Tanno, Kathryn Christian Kien | 2021-02-16 |
| 10889459 | Method for perforating a nonlinear line of weakness | Laura Marie Tanno, Kathryn Christian Kien | 2021-01-12 |