TREA

Warren F. Dahl

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  • Philadelphia, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Swaged collar fastener
    • Patent number 4,943,196
    • Issue date Jul 24, 1990
    • SPS Technologies, Inc.
    • Warren Dahl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blind fastener
    • Patent number 4,168,650
    • Issue date Sep 25, 1979
    • SPS Technologies, Inc.
    • Warren F. Dahl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blind fastener
    • Patent number 4,089,247
    • Issue date May 16, 1978
    • Standard Pressed Steel Co.
    • Warren F. Dahl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of fastener assembly for preloading a joint
    • Patent number 4,012,828
    • Issue date Mar 22, 1977
    • Standard Pressed Steel Co.
    • Warren F. Dahl
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...