Patents by Inventor Lars Bertil Johnsson

Lars Bertil Johnsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Valve system, particularly for cigarette lighter
    Patent number: 4008992
    Abstract: A valve system particularly for cigarette lighters comprises a pressure control, escape or relief valve in association with a closure or blocking valve with a common fluid-flow obstructing means for the two valves.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: February 22, 1977
    Assignee: Societe anonyme dite Etablissement GENOUD & Cie.
    Inventor: Lars Bertil Johnsson