John P. Edgar

Person

  • Alameda, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Incandescent mantles

    • Patent number 5,124,286
    • Issue date Jun 23, 1992
    • John P. Edgar
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Incandescent mantles

    • Patent number 5,071,799
    • Issue date Dec 10, 1991
    • John P. Edgar
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES