Patents by Inventor Patrick Stobbs

Patrick Stobbs 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: 6000991
    Abstract: An amusement device for a helical coil spring toy that generates a response such as sound or light whenever the wave of the helical coil spring changes direction. The amusement device includes two end caps affixed to the two free ends of the coil spring. One of the two end caps is an active end cap which houses the mechanism for generating the response. When the helical coil spring is compressed at the active end cap end a trigger switch activates an integrated circuit thereby producing the desired response. When the wave of compressed coils travels to the passive end cap a second response is produced by a time delay circuit so that user selective alternating responses are produced each time the wave of coils travels from one end cap to the other.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: December 14, 1999
    Assignee: Pragmatic Designs, Inc.
    Inventors: Joseph Truchsess, Patrick Stobbs