Patents by Inventor Alton Campbell

Alton Campbell 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: 11659906
    Abstract: The suitcase with wagon-style cart capability is an item of luggage. The suitcase with wagon-style cart capability is formed as a cart. The suitcase with wagon-style cart capability: a) contains one or more domestic articles of a client; and, b) transports additional luggage items over a supporting surface. The suitcase with wagon-style cart capability is a rolling structure. The suitcase with wagon-style cart capability incorporates a suitcase, a plurality of telescopic handles, a plurality of casters, and a plurality of wheels. The plurality of telescopic handles, the plurality of casters, and the plurality of wheels attach to the exterior surface of the suitcase. The suitcase is a container used to store one or more domestic articles of the client. The exterior surfaces of the suitcases form one or more horizontally oriented supporting surfaces on which the additional luggage items of the client are placed for transport.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: May 30, 2023
    Inventors: Alton Campbell, Jacqueline Campbell
  • Patent number: 5290444
    Abstract: A device for securing a coffee filter paper in a grounds container comprising a single thin sheet of thermo-plastic, heat resistant, resilient material having a plurality of fingers spaced symmetrically around the periphery, for placing adjacent a paper filter with its open central core at the center of the filter and in combination therewith wedged into a coffee grounds container with the instant invention exposed.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: March 1, 1994
    Inventor: Alton Campbell