Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163288 | Treated substrates and methods of producing the same | Hongfeng Zhang | 2024-12-10 |
| 4411679 | Method of producing foamed construction materials | — | 1983-10-25 |
| 4314835 | Method of producing foamed construction materials | — | 1982-02-09 |