Patents by Inventor Steve Putnam

Steve Putnam 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).

  • Portable pitching mound
    Patent number: 6843739
    Abstract: An apparatus includes a base unit having a top surface, a collapsible ramp connected to the base unit movable between an extended orientation sloping from the base unit to a playing surface and a storage orientation and indicia for designating a player's location on the top surface of the base unit.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: January 18, 2005
    Inventor: Steve Putnam
  • Portable pitching mound
    Publication number: 20030220161
    Abstract: An apparatus includes a base unit having a top surface, a collapsible ramp connected to the base unit movable between an extended orientation sloping from the base unit to a playing surface and a storage orientation and a means for designating a player's location on the top surface of the base unit.
    Type: Application
    Filed: May 24, 2002
    Publication date: November 27, 2003
    Inventor: Steve Putnam