TREA

Warren L. Langstraat

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  • Cottage Grove, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sanding wheel
    • Patent number 4,484,932
    • Issue date Nov 27, 1984
    • Minnesota Mining and Manufacturing Company
    • John J. Mailand
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Abrading tool
    • Patent number 4,437,270
    • Issue date Mar 20, 1984
    • Minnesota Mining and Manufacturing Company
    • Warren L. Langstraat
    • B24 - GRINDING POLISHING