TREA

Firma August Ruggeberg

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Organization

  • Marienheide, DE
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Manual sharpener for teeth of chain saws
    • Patent number 4,327,605
    • Issue date May 4, 1982
    • Firma August Ruggeberg
    • Werner Strojny
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Edge sharpener
    • Patent number 4,241,624
    • Issue date Dec 30, 1980
    • Firma August Ruggeberg
    • Werner Strojny
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Method for manufacturing a file from a thin-walled tube
    • Patent number 3,935,756
    • Issue date Feb 3, 1976
    • Firma August Ruggeberg
    • Ernst Udo Ebert
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR