Raymond Frey

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Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Rotational bearing arrangement for high speeds of rotation
- Patent number 4,969,754
- Issue date Nov 13, 1990
- Rieter Machine Works Limited
- Reinhard Rohrer
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Rotational bearing arrangement for high rotational speeds
- Patent number 4,915,515
- Issue date Apr 10, 1990
- Maschinenfabrik Rieter AG
- Reinhard Rohrer
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING