Patents by Inventor Robert L. Shellenberger

Robert L. Shellenberger 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).

  • Process for producing simulated wooden articles
    Patent number: 4181763
    Abstract: A non-chemical, mechanical process for antiquing wood applying a high temperature flame to the surface of a variety of woods for short periods of time, is provided. The processed pieces of variously shaped wood can be coated and are useful as decorative articles and home furnishings.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: January 1, 1980
    Inventor: Robert L. Shellenberger