Patents by Inventor Mark A. Ebbenga

Mark A. Ebbenga 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).

  • Grocery cart mover
    Patent number: 5860485
    Abstract: A powered grocery cart mover moves a line of grocery carts. The grocery cart mover includes a drive mechanism and a mechanism for engaging the line of grocery carts. The engaging mechanism is configured and arranged so that upon activation of the drive mechanism, the engaging mechanism lifts an end of the line of carts off the ground and moves the carts horizontally in a desired direction. The drive mechanism is pivotally connected to the cart engaging mechanism to facilitate steering of the cart engaging mechanism and the line of carts. The grocery cart mover can further include a harnessing mechanism releasably attachable to the cart engager and the line of carts for securing the line of carts relative to the cart engager.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: January 19, 1999
    Assignee: Rhino Craft, Inc.
    Inventor: Mark A. Ebbenga