Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039907 | Method for finishing an extruded seal in situ on a sheet | Helmut Krumm, Rolf Koette, Ralf Motzheim | 2000-03-21 |
| 5885695 | Process and device for shaping an extrudable plastic material | Helmut Krumm, Herbert Joeris | 1999-03-23 |
| 4834275 | Apparatus for acting on glass sheets | — | 1989-05-30 |