Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662054 | Method of assembling insulated rail sections | Armin Tonsmann, Siegfried Habicht, Eitel-Friedrich Hocker | 1987-05-05 |
| 4646408 | Device for fastening together the parts of a heat-insulated composite section | Armin Tonsmann, Siegfried Habicht, Eitel-Friedrich Hocker | 1987-03-03 |
| 4581852 | Heat-insulated window casement and frame construction | Armin Tonsmann, Siegfried Habicht, Eitel-Friedrich Hocker | 1986-04-15 |
| 4395862 | Composite frame, particularly for windows, doors and facades | Siegfried Habicht, Eitel-Friedrich Hocker | 1983-08-02 |
| 4213236 | Tool for deforming a plurality of groove defining flanges against insulating bars in the grooves | Manfred Diels, Karl W. Dienstuhl, Eitel-Friedrich Hocker | 1980-07-22 |
| 4194284 | Method of making insulated construction element | Manfred Diels, Karl W. Dienstuhl, Eitel-Friedrich Hocker | 1980-03-25 |