Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023143 | Acoustic building material employing chitosan | — | 2015-05-05 |
| 8961675 | Acoustic building material employing chitosan | — | 2015-02-24 |
| 8210310 | Tunable acoustical plaster system and method of making it | Lee K. Yeung | 2012-07-03 |