Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422989 | Method of producing hydrothermally cured aerated concrete building units | Dieter Hums, Armin Hartmann, Klaus F. Lippe | 1983-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422989 | Method of producing hydrothermally cured aerated concrete building units | Dieter Hums, Armin Hartmann, Klaus F. Lippe | 1983-12-27 |