Rudolf Wehrli

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Winterthur, CH

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Patents Grantslast 30 patents

Information Patent Grant
Drafting arrangement for spinning machines
- Patent number 5,048,157
- Issue date Sep 17, 1991
- Rieter Machine Works, Ltd.
- Rudolf Wehrli
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
High-draft drafting device for a flyerless spinning process
- Patent number 5,016,323
- Issue date May 21, 1991
- Rieter Machine Works, Ltd.
- Rudolf Wehrli
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING