Patents by Inventor David S. Thomas

David S. Thomas 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).

  • Joystick control
    Patent number: 4604502
    Abstract: Disclosed herein is an improved joy stick control including a control rod interrelated with four switches so as to enable the control of movements in eight different directions. In a further aspect, the present invention includes a fire button located below the switches associated with the control rod and above indentations formed in the handle for the fingers. Each of the switches associated with the control rod includes a stationary upper contact and a movable lower contact with the lower contacts of the switches being operatively connected to the control rod.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: August 5, 1986
    Inventor: David S. Thomas
  • Joystick control
    Patent number: D292299
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: October 13, 1987
    Inventor: David S. Thomas