TREA

Progar; Frank J.

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  • Denver, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fitting for flexible plastic pipe
    • Patent number 3,980,325
    • Issue date Sep 14, 1976
    • Robertson; Duane D.
    • Duane D. Robertson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...