Patents by Inventor David B. Pitman

David B. Pitman 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: 7371442
    Abstract: An artificial foliage structure with wire cores embedded in its leafy parts causing these parts to “spring back” upon removal of compressive loading acting thereupon. These wire cores may be made of hard, springy steel such as piano wire or small diameter spring wire. Thicker, woody limbs and branches have embedded therein heavier wire cores that are sufficiently soft to be given a set solely by manually applied bending force.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: May 13, 2008
    Inventor: David B. Pitman
  • Patent number: 6306471
    Abstract: An arborescent concealment artifice for hunters and nature observers constructed of artificial limbs, branches, stems and leaves. The limbs have a plastically deformable wire core sheathed in flexible plastic. The proximal ends of the limbs are detachably connected to a common mounting block; the block is detachably secured to a connector plate disposed intermediate the block and a support; and, the connector plate is detachably secured to the support.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: October 23, 2001
    Assignee: Port Midwest International, Inc.
    Inventors: David B. Pitman, Patrick M. Leavy