Patents by Inventor Russell Larson

Russell Larson 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).

  • Patent number: 4529097
    Abstract: An insert adapted to rebuilding restrictor assemblies in the fuel filler neck of non-lead gasoline automobiles which comprises an oblong piece of metal formed with sharp corners that may be swedged into the restrictor assembly with an aperture therethrough aligned to the restrictor aperture. The insert serves to down-size a mutilated restrictor aperture to the proper diameter for fit to the standard nozzle of unleaded gasoline dispensers.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: July 16, 1985
    Inventor: Russell Larson