Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9187918 | High rise building with a stairwell and a intake air shaft | Horst A. Ermer | 2015-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9187918 | High rise building with a stairwell and a intake air shaft | Horst A. Ermer | 2015-11-17 |