Patents by Inventor Floyd E. Walker

Floyd E. Walker 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: 4557624
    Abstract: A snow plowable pavement marker having a low-profile, including a base member comprising a generally flat circular element having an annular peripheral depending rim adapted to be installed in an annular drilled recess in a highway pavement, the flat lower surface being disposed, in use, directly upon the road surface and the upper surface of the base member providing cavities supporting reflective devices, and the top surface of the base member defining an inclined ramp surface from at least two directions of approach when installed in place in a pavement.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: December 10, 1985
    Inventor: Floyd E. Walker