Patents by Inventor John S. Voloudakis

John S. Voloudakis 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).

  • Soil sampling tool
    Patent number: 5121643
    Abstract: A cylindrical rod having an insertable end and a handle end, defining a plurality of collecting pockets located serially along its length.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: June 16, 1992
    Inventor: John S. Voloudakis