Patents by Inventor Robert R. Hernandez, Sr.

Robert R. Hernandez, Sr. 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: 5624146
    Abstract: The present invention relates to a device for use in picking up metallic objects. More specifically, the present invention includes a frame having an upper extent and a lower extent with a handle bar positioned at the upper extent and a pair of wheels rotatably positioned at the lower extent. A magnetic head housing is slidably positioned at the lower extent of the frame. This housing includes an opening with a plurality of circular magnetic elements disposed therein. Furthermore, the present invention includes adjustment means for use in the positioning of the magnetic head housing relative to the ground.
    Type: Grant
    Filed: April 5, 1996
    Date of Patent: April 29, 1997
    Inventors: Elmer De Los Reyes, Robert R. Hernandez, Sr.