Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359425 | Acoustic ceiling panel, method of manufacture and acoustic ceiling system | Yanjia Zuo, Chris Lee Heikkinen, John T. Madajewski, Phillip Evans, Chris W. Niemi +4 more | 2025-07-15 |
| 11898345 | Acoustic ceiling panel, method of manufacture and acoustic ceiling system | Yanjia Zuo, Chris Lee Heikkinen, John T. Madajewski, Phillip Evans, Chris W. Niemi +4 more | 2024-02-13 |