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David L. Kirkel

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  • Mount Prospect, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    One-piece powder button
    • Patent number 4,145,005
    • Issue date Mar 20, 1979
    • Seaquist Valve Company
    • David Kirkel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Anti-foaming assembly and method
    • Patent number 4,033,486
    • Issue date Jul 5, 1977
    • Seaquist Valve Company
    • David L. Kirkel
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL