David A. Birt

Person

  • Cannock, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Housing assembly

    • Patent number 6,884,941
    • Issue date Apr 26, 2005
    • ArvinMeritor Light Vehicle Systems (UK) Ltd.
    • David Alan Birt
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Lamp reflector

    • Patent number 5,003,447
    • Issue date Mar 26, 1991
    • Carello Lighting plc
    • Haydn James
    • F21 - LIGHTING
  • Information Patent Grant

    Road vehicle headlamp

    • Patent number 4,575,787
    • Issue date Mar 11, 1986
    • Lucas Industries
    • David A. Birt
    • F21 - LIGHTING
  • Information Patent Grant

    Diffusion cover for a motor vehicle headlamp

    • Patent number 4,520,434
    • Issue date May 28, 1985
    • Lucas Industries
    • David A. Birt
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicle headlamp

    • Patent number 4,305,119
    • Issue date Dec 8, 1981
    • Lucas Industries Limited
    • Geoffrey R. Draper
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicle headlamp

    • Patent number 4,246,631
    • Issue date Jan 20, 1981
    • Lucas Industries Limited
    • Geoffrey R. Draper
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Housing assembly

    • Publication number 20030047340
    • Publication date Mar 13, 2003
    • David Alan Birt
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES