Patents by Inventor Charles O. Wright, III

Charles O. Wright, III 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).

  • Quill stop
    Patent number: 4978261
    Abstract: This invention relates to an improved gadget and method for the relative positioning and locking of a first externally threaded device with respect to a second device. The gadget includes a means for translating garduated markings around the outside circumference into longitudinal movement. The use of this device with 1/2" 20 thread size on the quill of a Bridgeport type milling machine to accurately control the movement limitation of the quill is described as an example.
    Type: Grant
    Filed: December 8, 1989
    Date of Patent: December 18, 1990
    Inventor: Charles O. Wright, III
  • Headset mounted flashlight holder
    Patent number: D345814
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: April 5, 1994
    Inventor: Charles O. Wright, III