Patents by Inventor David M. Curmi

David M. Curmi 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).

  • Water ski binding
    Patent number: 4773886
    Abstract: The instep and the heel retaining elastomeric parts of a water ski binder are each shaped with the underside having inwardly and upwardly extending projections. Each shaped part is then secured to a separate plate having recesses to match the projections and to secure the part to the plate. The plates, with mounted parts, are then secured to a base plate; with the plate holding one of the parts longitudinally adjustably with respect to the base plate.
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: September 27, 1988
    Assignee: ERO International Limited
    Inventors: Roger C. Teeter, David M. Curmi, Lawrence C. Smith
  • Ski sharpening tool
    Patent number: 4569158
    Abstract: A pair of support members are slideably inserted into a rectangular shaped open ended housing from opposite ends of the housing. Each support member has a downwardly extending projection to form facing cutting surfaces. A resilient member presses the support members toward each other forming a ski sharpener. When the sharpener is placed against and moved along a ski the cutting surfaces sharpen the sides of the ski.
    Type: Grant
    Filed: September 16, 1983
    Date of Patent: February 11, 1986
    Inventor: David M. Curmi