Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319833 | Apparatus for producing coils from spring steel material | Jorg Weinschenk, Martin Hoffmann | 1994-06-14 |
| 5224903 | Chain wheel having a shrink ring made of a polymer material | Rolf Langhof, Michael Schütz | 1993-07-06 |
| 5143457 | Elastic pivoting slide bearing | Rolf Langhof | 1992-09-01 |