Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739593 | Terrace glass enclosure | Ludwig Drechsel | 1988-04-26 |
| 4372084 | Device for sealing a wing of a window, a door or the like in relation to a frame associated therewith | — | 1983-02-08 |
| 4338753 | Arrangement for connecting two profile members, particularly channel members for metal windows | — | 1982-07-13 |
| 4333295 | Casement frame | — | 1982-06-08 |