Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396155 | 3D printed paperboard creasing/cutting rule | Edward A. Zumbiel | 2022-07-26 |
| D947264 | Creasing rule for paperboard blanks | Edward A. Zumbiel | 2022-03-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11396155 | 3D printed paperboard creasing/cutting rule | Edward A. Zumbiel | 2022-07-26 |
| D947264 | Creasing rule for paperboard blanks | Edward A. Zumbiel | 2022-03-29 |