Ullrich Stark

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Stuttgart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Combined carpet yarns by open end rotor spinning
- Patent number 4,802,330
- Issue date Feb 7, 1989
- E. I. Du Pont de Nemours and Company
- Paul W. Yngve
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Automatic piecing of combination open end rotor spun yarn
- Patent number 4,788,817
- Issue date Dec 6, 1988
- E. I. Du Pont de Nemours and Company
- Peter Artzt
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Combined carpet yarns by open end rotor spinning
- Patent number 4,729,214
- Issue date Mar 8, 1988
- E. I. Du Pont de Nemours and Company
- Paul W. Yngve
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING