Patents by Inventor Robert Calverley

Robert Calverley 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).

  • Publication number: 20140290105
    Abstract: A tow ball cover which has a body formed of resilient or flexible material having a totally hollow interior which includes an upper or head compartment which defines a socket for close retention of a tow ball characterized In that there is provide an end plate or end wall which is integral with the body and which has a rear surface for incorporation of indicia which are used for promotional, advertising or display purposes.
    Type: Application
    Filed: November 13, 2012
    Publication date: October 2, 2014
    Inventor: Robert Calverley