Patents by Inventor Johan M. Larsen

Johan M. Larsen 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: 4106151
    Abstract: An improved carpet sweeper includes a handle, an intermediate member having legs at the lower portion thereof, and a plurality of sweeper units, the number of legs being equal to that of the sweeper units. Each of the corresponding legs and sweeper units is connected to provide the assembly of the sweeper units.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: August 15, 1978
    Assignee: Hukuba Kogyo Kabushiki Kaisha
    Inventors: Ray Cowdery, Johan M. Larsen