Patents by Inventor David Firth

David Firth 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).

  • Publication number: 20060105658
    Abstract: The present invention relates to a multi-directional stretch fabric that has excellent flash fire and flame resistant qualities.
    Type: Application
    Filed: November 18, 2004
    Publication date: May 18, 2006
    Inventors: William Patz, David Firth
  • Publication number: 20060003103
    Abstract: A lifting sling and a method for making the same are disclosed. The lifting sling comprises an elongated, flexible member having a working surface, a lifting end portion for attaching to a lifting mechanism and a choker end portion. A plurality of longitudinally spaced apart gripping members are attached to the working surface of the flexible member for frictionally engaging the outer surface of a load being lifted. To make the lifting sling, the flexible member is laid on the face of a mold having cavities for forming the gripping members. Liquid casting material is introduced into the mold cavities and allowed to penetrate the surface of the flexible member for permanent bonding thereto.
    Type: Application
    Filed: August 9, 2005
    Publication date: January 5, 2006
    Inventor: David Firth
  • Publication number: 20050256589
    Abstract: A lanyard suspension system for a prosthetic limb that includes: (a) a lanyard cord adapted to extend from a distal end of a patient's residual limb; and (b) a lanyard lock assembly adapted to be seated at a distal end of a patient's prosthetic limb socket assembly.
    Type: Application
    Filed: April 21, 2005
    Publication date: November 17, 2005
    Inventors: Tracy Slemker, Scott Schall, David Firth, Steven Steinbarger