Richard Hieronymi

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Winterthur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of starting spinning of a yarn in a friction spinning device
- Patent number 4,680,924
- Issue date Jul 21, 1987
- Rieter Machine Works Limited
- Emil Briner
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
False twist unit
- Patent number 4,509,322
- Issue date Apr 9, 1985
- Rieter Machine Works Limited
- Emil Briner
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING