Patents by Inventor Mark A. Silhan

Mark A. Silhan 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: 4971286
    Abstract: A supportive framework for an object is provided which includes a pair of frame halves. Each frame half includes a frame body with a U-shaped configuration formed by a base leg, a first end leg and a second end leg. A connecting leg assembly extends from the base leg between the end legs and is adapted for mounting an object, such as an engine. Handle assemblies are mounted on the frame end legs for lifting, carrying, guiding and pushing the framework. Wheel assemblies are mounted on the frame bodies for rolling the framework.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: November 20, 1990
    Inventor: Mark A. Silhan