Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921414 | Extrusion apparatus for producing marbeleized thermoplastic extrusions | Mathias Eschbach | 1990-05-01 |
| 4834639 | Apparatus for making a thermoplastic product from a base plastic material and at least one marbling additive material | Mathias Eschbach | 1989-05-30 |