Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644875 | Sealing arrangement for a glass-carrying window frame | — | 1997-07-08 |
| 5046407 | Roof window | Arne B. Jensen | 1991-09-10 |
| 4796933 | Window sash with frame and operating handle | Per G. Nielsen, Steen Nygaard | 1989-01-10 |
| 4674680 | Valve device for the automatic control of an air intake dependent on varying humidity | Per G. Nielsen | 1987-06-23 |
| 4611432 | Window, especially for installation in an inclined roof | Arne Lund, Egon Nowakowski, Per G. Nielsen | 1986-09-16 |
| 4449327 | Tilting window, especially for installation in an inclined roof | — | 1984-05-22 |
| 4299068 | Window lining arrangement, particularly for inclined windows | — | 1981-11-10 |