Patents by Inventor Mark W. Skief

Mark W. Skief 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: 5428520
    Abstract: A new and improved adjustable portable utility light stand with a triangular base having a base piece and two side pieces. The two side pieces are coupled together to form an apex. A tube is secured to the apex of the two side pieces and to the underside of the base piece. An inner tube is slidably secured within the tube. The inner tube serves as a stabilizer bar. A trapezoid segment has a lower portion, an upper portion, and two side portions. The lower portion is pivotally secured to the base piece of the triangular base. A middle segment has an upper portion, a lower portion, and two parallel side portions. The lower portion is pivotally secured to the upper portion of the trapezoid segment. An outer segment has an inner tube and an outer tube. The outer tube is pivotally secured to the upper portion of the middle segment. The inner tube is telescopically secured within the outer tube. A lamp segment is rotatably secured to the inner tube of the outer segment.
    Type: Grant
    Filed: August 3, 1994
    Date of Patent: June 27, 1995
    Inventor: Mark W. Skief