Bases for circular lamps

Patents Grantslast 30 patents

  • Information Patent Grant

    Adapter for annular fluorescent lamps having an integrated ballast...

    • Patent number 6,971,763
    • Issue date Dec 6, 2005
    • Patent-Treuhand-Gesellschaft fur Elektrisch Gluhlampen mbH
    • Lorenzo Baldo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low-pressure discharge lamp with base and mount

    • Patent number 5,789,849
    • Issue date Aug 4, 1998
    • Patent-Treuhand-Gesellschaft fur elektrische Gluehlampen mbH
    • Horst Porembski
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3898495

    • Patent number 3,898,495
    • Issue date Aug 5, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3795887

    • Patent number 3,795,887
    • Issue date Mar 5, 1974
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3274420

    • Patent number 3,274,420
    • Issue date Sep 20, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3271613

    • Patent number 3,271,613
    • Issue date Sep 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2733417

    • Patent number 2,733,417
    • Issue date Jan 31, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2652483

    • Patent number 2,652,483
    • Issue date Sep 15, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2626977

    • Patent number 2,626,977
    • Issue date Jan 27, 1953
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2597666

    • Patent number 2,597,666
    • Issue date May 20, 1952
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2453986

    • Patent number 2,453,986
    • Issue date Nov 16, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2400381

    • Patent number 2,400,381
    • Issue date May 14, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2367984

    • Patent number 2,367,984
    • Issue date Jan 23, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2366252

    • Patent number 2,366,252
    • Issue date Jan 2, 1945
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2339166

    • Patent number 2,339,166
    • Issue date Jan 11, 1944
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents