Patents by Inventor Steve M. Copeland

Steve M. Copeland 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).

  • Wet sandblasting system
    Patent number: 4709515
    Abstract: An apparatus by which wet sandblasting operations may be carried out with the operator disposed adjacent the discharge nozzle of the system having full control over the air, sand and liquid supplied to the discharge nozzle through the utilization of a single airflow control valve.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: December 1, 1987
    Inventors: Henry Copeland, Steve M. Copeland