Patents by Inventor J. Matthew Clark

J. Matthew Clark 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: 5881495
    Abstract: A combination turf stake and frame construction assembly for establishing a framework construction upon a ground surface. The turf stake includes an elongate spike portion having a first inserting end, a second supporting end and a plurality of vane portions projecting in circumferentially spaced apart and axially directed fashion substantially along the spike portion. A substantially polygonal shaped body defining a hollowed and interior cavity is integrally formed atop the second supporting end of the turf stake and substantially corresponds to a likewise polygonally shaped and inserting end of a selected elongate frame construction member so as to engage the elongate member in a friction fit manner. A plurality of turf stakes and frame construction members can be employed to assemble any desired framework construction.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: March 16, 1999
    Assignee: Roll-Tech, Inc.
    Inventor: J. Matthew Clark