Patents by Inventor Kenneth W. Lundrigan

Kenneth W. Lundrigan 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).

  • Synthetic rock composition of matter and method of preparation
    Patent number: 4959401
    Abstract: Synthetic granite and/or marble is made from organic polymer based syrup and inorganic based paticulate. The particulate is made from naturally occurring minerals, baked to cause fusion of ingredients, crushed and placed into the organic syrup. Suitable catalyst is added. After cure the product has a granite or mable appearance and may be further processed as would naturally occurring granite or marble, or as would other commercially available rock be processed.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: September 25, 1990
    Inventors: Jay G. Bellasalma, Kenneth W. Lundrigan