Richard Witzko

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85635 Hohenkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tube unit and process for its fabrication
- Patent number 6,010,560
- Issue date Jan 4, 2000
- Richard Witzko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tube unit and process for its fabrication
- Patent number 5,565,166
- Issue date Oct 15, 1996
- Richard Witzko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL