Patents by Inventor Ernest W. Ehrman

Ernest W. Ehrman 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: 4841882
    Abstract: A foldable article of furniture which can be formed in its entirety from a single, unitary sheet of material without the use of supplemental securement members or fasteners such as staples or glue. The furniture article has three or more legs for stability and support. Additionally, each of the legs is interlocked with adjoining legs and is also integral with a top portion of the furniture along a common peripheral edge. The flat sheet or blank may be provided with stress relief openings and with prescored fold lines to facilitate assembly of the article.
    Type: Grant
    Filed: August 18, 1988
    Date of Patent: June 27, 1989
    Inventor: Ernest W. Ehrman