Paul Dummermuth

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Zunzgen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Housing for an apparatus for roughening and cleaning a surface or t...
- Patent number D252880
- Issue date Sep 11, 1979
- Von Arx AG
- Paul Dummermuth
- D15 - Machines not elsewhere specified
Information Patent Grant
Apparatus for roughening and cleaning a surface or the like
- Patent number D252881
- Issue date Sep 11, 1979
- Von Arx AG
- Paul Dummermuth
- D15 - Machines not elsewhere specified