Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607468 | Element for door or window or outside-wall panel formed in particular of two flat panels separated by a gas with compensated variation of volume | — | 1986-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607468 | Element for door or window or outside-wall panel formed in particular of two flat panels separated by a gas with compensated variation of volume | — | 1986-08-26 |