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David M. Haala

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  • Sleepy Eye, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Framing tool
    • Patent number 7,546,687
    • Issue date Jun 16, 2009
    • David M. Haala
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Vacuum remediation system
    • Patent number 5,671,546
    • Issue date Sep 30, 1997
    • David M. Haala
    • B08 - CLEANING

Patents Applicationslast 30 patents

  • Information Patent Application

    FRAMING TOOL
    • Publication number 20080301962
    • Publication date Dec 11, 2008
    • David M. Haala
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES