Patents by Inventor Douglas E. Raisch

Douglas E. Raisch 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: 6695908
    Abstract: A method of producing an improved aggregate product from in inferior initial aggregate material base material. A percentage weight of crushed glass material is introduced into the initial aggregate material to form said aggregate product.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: February 24, 2004
    Inventor: Douglas E. Raisch