Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455615 | Flexible polymer modified cement-based waterproofing materials and their making process | Ji Guang Yu, Dong Xia, Lei Zhu, Yu Guo | 2002-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455615 | Flexible polymer modified cement-based waterproofing materials and their making process | Ji Guang Yu, Dong Xia, Lei Zhu, Yu Guo | 2002-09-24 |