starting from tubes, rods, fibres or filaments

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a low-pressure gas discharge lamp

    • Patent number 4,101,185
    • Issue date Jul 18, 1978
    • U.S. Philips Corporation
    • Johannes van Esdonk
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3063788

    • Patent number 3,063,788
    • Issue date Nov 13, 1962
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2987773

    • Patent number 2,987,773
    • Issue date Jun 13, 1961
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2916773

    • Patent number 2,916,773
    • Issue date Dec 15, 1959
    • C03 - GLASS MINERAL OR SLAG WOOL