Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939590 | Paperboard tube structures with one or more cut-and-folded plies | Xiaokai Niu | 2005-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939590 | Paperboard tube structures with one or more cut-and-folded plies | Xiaokai Niu | 2005-09-06 |