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B. J. Helmick

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  • Upland, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Patio door roller assembly
    • Patent number 4,189,870
    • Issue date Feb 26, 1980
    • B. J. Helmick
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Sliding door roller assembly
    • Patent number 4,064,593
    • Issue date Dec 27, 1977
    • B. J. Helmick
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES