Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128999 | Fire resistant sprayable coating composition | Yifang Zhao | 2012-03-06 |
| 7727435 | Engineered stone | Yifang Zhao | 2010-06-01 |
| 7442726 | Sprayable coating composition | Yifang Zhao | 2008-10-28 |
| 6548157 | Stone-like laminates | — | 2003-04-15 |
| 5688602 | Method for producing laminated articles | — | 1997-11-18 |
| 5504126 | Mineral-like coating and methods of using same | — | 1996-04-02 |
| 5476895 | Granite-like coating | — | 1995-12-19 |
| 5465544 | Decorative facings for bricks, cinderblocks and the like | — | 1995-11-14 |
| 5304592 | Mineral-like plastics | — | 1994-04-19 |