Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186099 | Method of saving space occupied by toilet rolls in transportation and storage processes and related special devices | Cai Qing, Liu Ming, Yi X. Guang | 1993-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186099 | Method of saving space occupied by toilet rolls in transportation and storage processes and related special devices | Cai Qing, Liu Ming, Yi X. Guang | 1993-02-16 |