Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260112 | Compound glass element | Tina Grether, heir, Moritz Grether-Escher, heir, Michael Grether | 1993-11-09 |
| 5237787 | Glazing element | Tina Grether, heir, Moritz Grether-Escher, heir, Michael Grether | 1993-08-24 |
| 5048258 | Window having a tensioned insulation foil | — | 1991-09-17 |
| 4786539 | Thermal insulating composite laminate | — | 1988-11-22 |
| 4563843 | Heat insulation window | Kurt Brader, Bruno Keller | 1986-01-14 |
| 4545160 | Window | Kurt Brader, Bruno Keller | 1985-10-08 |
| 4432174 | Self-supporting insulation element | Kurt Brader, Bruno Keller | 1984-02-21 |
| 4334398 | Insulating element for a multi-paned window | — | 1982-06-15 |