Hans Ziolkowski

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Ingelheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and extruding head for the manufacture and/or coating of ex...
- Patent number 5,672,303
- Issue date Sep 30, 1997
- Bellaform Extrusionstechnik GmbH
- Burkhard Metzger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and installation for the manufacture of pencils
- Patent number 5,531,947
- Issue date Jul 2, 1996
- Bellaform Extrusionstechnik GmbH
- Burkhard Metzger
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES