Friedrich Groeschel

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Buchs, CH

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Patents Grantslast 30 patents

Information Patent Grant
Metal guide member with guide arrangement
- Patent number 5,664,922
- Issue date Sep 9, 1997
- Hilti Aktiengesellschaft
- Rupert Janssen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Attachment member unit to be driven into hard receiving material by...
- Patent number 5,569,010
- Issue date Oct 29, 1996
- Hilti Aktiengesellschaft
- Rupert Janssen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Corrosion-resistant nail for driving into hard materials
- Patent number 5,286,153
- Issue date Feb 15, 1994
- Hilti Aktiengesellschaft
- Dietmar Sartor
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...