Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8563449 | Non-woven material and method of making such material | Weixin D. Song, Bangji Cao | 2013-10-22 |
| 8062565 | Low density non-woven material useful with acoustic ceiling tile products | Bangji Cao, Weixin D. Song, Qing Yu | 2011-11-22 |
| 4826430 | Adhesive primer for alumina brackets | Albert Chen, Robert D. DeLuca, Robin M. F. Jones, Mary Yeganeh | 1989-05-02 |
| 4792577 | Stain-resistant no-mix orthodontic adhesive | Albert Chen, David L. Siegfried | 1988-12-20 |
| 4254232 | Polyglutarimides | — | 1981-03-03 |