Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5704312 | Woodpecker feeder | — | 1998-01-06 |
| 5439623 | Method for introducing additives into an extruder | — | 1995-08-08 |
| 4919872 | Process for metering color concentrates to thermoplastic polymer melts | — | 1990-04-24 |
| 4848915 | Process for metering color concentrates to thermoplastic polymer melts | — | 1989-07-18 |