Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5732521 | Longitudinal or transverse support for ceiling panelling | — | 1998-03-31 |
| 5042570 | Ceiling construction having magnetic attachment between heat exchanger elements and ceiling tiles | Fritz Nussle | 1991-08-27 |