Patents by Inventor Michael D. Hardison

Michael D. Hardison 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: 5364163
    Abstract: A new and improved adjustable leg chair includes a seat assembly and a leg assembly supporting the seat assembly. The leg assembly includes a seat support member supporting the seat assembly and leg members supporting the seat support member. The leg assembly also includes spike members connected to the leg members. The spike members project from the leg members in a direction opposite of the seat support member. The spike members are capable of penetrating into a sloped ground surface. The leg members may include two vertical portions connected to the seat support member and a transverse member connected between the two vertical portions. The vertical portions and the transverse member are in the form of a unified, integrated U-shaped leg member. The spike members are supported by and project from the transverse members. A swivel assembly is located between the seat assembly and the leg assembly. The swivel assembly supports the seat assembly and the swivel assembly is supported by the leg assembly.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: November 15, 1994
    Inventor: Michael D. Hardison