Patents by Inventor Roger W. Tuthill

Roger W. Tuthill 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).

  • Precision celestial pole locator
    Patent number: 4260253
    Abstract: Apparatus and method for aligning telescopes with the axis of rotation of the earth, which utilizes a pole finder telescope having its optical axis offset from its mechanical axis by an angle which is equal to or a function of the angle by which the reference star is offset from the earth's axis of rotation at the time the alignment is being made.
    Type: Grant
    Filed: September 27, 1977
    Date of Patent: April 7, 1981
    Inventor: Roger W. Tuthill