Patents by Inventor Derek Roming

Derek Roming 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: 4231677
    Abstract: A lighweight embossing tool for patterning an impressionable surface material, for example freshly poured concrete, comprising a one-man rectangular weight-supporting platform having essentially flat top, bottom and side portions, a centrally located opening formed on the top surface of the platform adapted to receive a shaft, the bottom surface of said platform having rigidly connected thereto a plurality of blades arranged within the perimeter of the platform bottom in a predetermined pattern. The design of the tool is such that the weight of a man standing on both feet on the platform and straddling the centrally located opening is substantially evenly distributed along the blades.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: November 4, 1980
    Assignee: International Design Systems, Ltd.
    Inventor: Derek Roming