Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042570 | Ceiling construction having magnetic attachment between heat exchanger elements and ceiling tiles | Karl-August Schmitt-Raiser | 1991-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042570 | Ceiling construction having magnetic attachment between heat exchanger elements and ceiling tiles | Karl-August Schmitt-Raiser | 1991-08-27 |