Patents by Inventor Eric B. Schwab

Eric B. Schwab 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).

  • Subsoil ripper with attachment
    Patent number: 7784559
    Abstract: A subsoil ripper for subsoil tillage, where a spur is operatively connected to the shank of the subsoil ripper; for example, operatively connected to the posterior of the shank of the subsoil ripper.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: August 31, 2010
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Randy L. Raper, Eric B. Schwab