Patents by Inventor Roger T. Kay

Roger T. Kay 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).

  • Crusher
    Patent number: 5570850
    Abstract: The invention is a crusher having a fixed crusher member and a vertically reciprocating crusher member. Reciprocation of the crusher member is achieved by a pivoting arm located beneath the crusher member which is preferably driven by a toggle mechanism located to one side of the crusher.
    Type: Grant
    Filed: April 12, 1995
    Date of Patent: November 5, 1996
    Inventor: Roger T. Kay