Patents by Inventor John R. Callahan

John R. Callahan 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: 7416168
    Abstract: An electromechanical prize dispensing system is provided for a game used, for example, in the arcade, amusement, carnival, trailer, or group game industries. The invention includes a means of suspending and controlling the movement of prizes on an extensible and retractable telescopic lifting platform.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: August 26, 2008
    Assignee: Bob's Space Racers, Inc.
    Inventor: John R. Callahan
  • Publication number: 20020157023
    Abstract: A system for processing data requests from clients via a network is disclosed. The system has an application server coupled to a network, and a semantic firewall to pass and filter the content between the application server and the clients. The application server provides content from a database to the clients via the network, and the semantic firewall restricts access to a portion of the content for one or more clients.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 24, 2002
    Inventors: John R. Callahan, David P. Glock
  • Patent number: 4480833
    Abstract: An electromechanical amusement game apparatus including a frame, a playing surface supported by the frame, at least one player element movable by a manually operated mechanism along an elongated track in the playing surface, and a player piece movable along and over the playing surface in response to being engaged and propelled by the player element. A pair of the player elements are in opposed relation in a single track for movement therealong toward, in contact with, and away from each other in response to manipulation of the manually operated mechanism. As a result, a person playing the game can manually force his player element into contact with the player element of another person playing the game in a manner physically interfering with each other similar to checking in hockey and contact in other sports. The game playing surface is enclosed in a transparent hollow cover which supports a scoreboard and clock simulating structure in suspended relation over the playing surface.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: November 6, 1984
    Assignee: Innovative Concepts in Entertainment, Inc.
    Inventors: David M. Barcelow, John R. Callahan, Michael T. Johnson