Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4590028 | Process for making a multilayered parison of thermoplastic material | Otto Rosenkranz, Claus Horwege | 1986-05-20 |
| 4566871 | Apparatus for making a parison for blowmolding of a hollow article | Claus Horwege, Otto Rosenkranz | 1986-01-28 |
| 4499044 | Method for making a parison for blowmolding of a hollow article | Claus Horwege, Otto Rosenkranz | 1985-02-12 |