Patents by Inventor Derrell Wolford

Derrell Wolford 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: 6942064
    Abstract: A tree stand is provided having a main tubular structure for supporting the user, a contact blade assembly including a contact blade slidably coupled to said main structure, a gripping blade assembly including a gripping blade slidably coupled to the main tubular structure. The gripping blade assembly and the contact blade assembly are arranged to clamp the tree between the gripping blade and the contact blade, for engaging and abutting the tree stand against the surface of the tree. Furthermore, an adjusting device is coupled to the contact blade assembly and arranged to adjust the angular inclination of the main tubular structure.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: September 13, 2005
    Inventor: Derrell Wolford
  • Publication number: 20030221909
    Abstract: A tree stand is provided having a main tubular structure for supporting the user, a contact blade assembly including a contact blade slidably coupled to said main structure, a gripping blade assembly including a gripping blade slidably coupled to the main tubular structure. The gripping blade assembly and the contact blade assembly are arranged to clamp the tree between the gripping blade and the contact blade, for engaging and abutting the tree stand against the surface of the tree. Furthermore, an adjusting device is coupled to the contact blade assembly and arranged to adjust the angular inclination of the main tubular structure.
    Type: Application
    Filed: May 29, 2002
    Publication date: December 4, 2003
    Inventor: Derrell Wolford