John D. Lewins

Person

  • S. Wirral, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve closure

    • Patent number 4,723,566
    • Issue date Feb 9, 1988
    • Koninklijke Emballage Industrie Van Leer B.V.
    • John D. Lewins
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Valve unit for liquid container

    • Patent number 4,529,105
    • Issue date Jul 16, 1985
    • Koninklijke Emballage Industrie Van Leer B.V.
    • John D. Lewins
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...