Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020914 | Process for removing the screw from the screw cylinder of a screw-type injection molding machine and a screw-type molding machine of correspondence configuration | Ernst Wurl, Alfred Hafner, Jurgen Paulsen, Peter Marienfeld | 1991-06-04 |