containing beryllium

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical elements made from ThF.sub.4 --BeF.sub.2 glasses

    • Patent number 4,668,641
    • Issue date May 26, 1987
    • Corning Glass Works
    • Paul A. Tick
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Method of casting fluorescent lenses

    • Patent number 3,958,970
    • Issue date May 25, 1976
    • Francois E. Auzel
    • G02 - OPTICS
  • Information Patent Grant

    3816576

    • Patent number 3,816,576
    • Issue date Jun 11, 1974
    • G02 - OPTICS
  • Information Patent Grant

    3722981

    • Patent number 3,722,981
    • Issue date Mar 27, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3709827

    • Patent number 3,709,827
    • Issue date Jan 9, 1973
    • G02 - OPTICS
  • Information Patent Grant

    3650779

    • Patent number 3,650,779
    • Issue date Mar 21, 1972
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2819977

    • Patent number 2,819,977
    • Issue date Jan 14, 1958
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2511224

    • Patent number 2,511,224
    • Issue date Jun 13, 1950
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2466506

    • Patent number 2,466,506
    • Issue date Apr 5, 1949
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2466507

    • Patent number 2,466,507
    • Issue date Apr 5, 1949
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2466509

    • Patent number 2,466,509
    • Issue date Apr 5, 1949
    • C03 - GLASS MINERAL OR SLAG WOOL