Patents by Inventor Earl R. Shaffer

Earl R. Shaffer 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: 4774113
    Abstract: Artificial tree limb, and the finished tree from an assemblage of such limbs, each limb including twigs comprising a twisted pair of wires entrapping fire-retardant filaments to simulate needles, the plurality of twigs being affixed to a heavier wire or wires by wrapping the base of the twigs to the heavier wire to form a branch, and a plurality of branches twisted together at the base thereof, or attached to a heavier wire, all having wrappings at the point of attachment, to form a limb, and a plurality of limbs attached to a vertical trunk or wrapped together at the base of each limb to form a tree.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: September 27, 1988
    Assignee: Herman Rynveld's Son corporation
    Inventor: Earl R. Shaffer
  • Patent number: 4590105
    Abstract: An artificial tree, simulating a Christmas tree, includes a vertical trunk and a plurality of limbs made of twisted wire extending from the trunk. A plurality of "wire brush" type filaments are arranged in parallel on a tape carrier. The tape carrier, with the filaments, is interleaved in the twisted wire of the limbs to provide the appearance of needles extending from the limb. This provides an inexpensive way of making a realistic looking artificial tree.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: May 20, 1986
    Assignee: Herman Rynveld's Son Corporation
    Inventor: Earl R. Shaffer