Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608790 | Trussing, particularly three-dimensional trussing, made of elongated members and joint elements | Helmut Eberlein | 1986-09-02 |
| 4455803 | Apparatus for sealing flat elements together, particularly roof elements | — | 1984-06-26 |
| 4193706 | Bolt connections between tubular rods and junctions in three-dimensional frameworks | Helmut Eberlein, Hermann Quenzel | 1980-03-18 |