Patents by Inventor Carlos E. Gamboa

Carlos E. Gamboa 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).

  • Shoe cleaner machine
    Patent number: 4024599
    Abstract: A machine for cleaning the bottom of a wearer's shoes. The machine is mounted in a free-standing housing fitted with a platform on which the user stands. An endless motorized belt, fitted with bristles, is mounted under the platform to project through cut out sections of the platform covered by a grill upon which the user stands. A fan is mounted in the housing to carry debris removed by the bristles into a removable bag located in the housing.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 24, 1977
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Carlos E. Gamboa