Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7603746 | Adjustable butt hinges for doors | Jan M. Huml | 2009-10-20 |
| 7162774 | Multi-position adjustable door hinge | Daniel Varin | 2007-01-16 |
| 6266981 | Lock, in particular mortise lock for an exterior door | Walter Renz, Daniel Grundler, Udo Dieners | 2001-07-31 |
| 4590707 | Releasable panel assembly for window frame or the like | — | 1986-05-27 |
| 4562667 | Panel closure assembly for window, door or the like | — | 1986-01-07 |
| 4557321 | Ventilator apparatus | — | 1985-12-10 |
| 4551945 | Hardware for moving a sash into laterally displaced parallel positions | — | 1985-11-12 |