Patents by Inventor David L. Killman

David L. Killman 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).

  • Protector for lazy-tong fence
    Patent number: 4523745
    Abstract: An article for protecting a child from accidental injurious contact with the upwardly pointing vertices of a lazy-tong fence includes, in a first embodiment, a pocket-shaped shell that fits over a vertex of the fence and is secured in that position by a strap. In a second embodiment the protective article includes an elongated pad that is draped over several of the vertices of the fence and secured in that position. In a third embodiment restricted to planar fences, the protective article includes an extrusion that clamps onto the fence.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: June 18, 1985
    Inventors: David L. Killman, Loraine C. Killman