Patents by Inventor William R. Chadwick

William R. Chadwick 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).

  • Hang glider launch vehicle
    Patent number: 4824047
    Abstract: A lightweight, low cost, powered launch vehicle for carrying a hang glider aloft and releasing the glider for free flight provides an integral glider support frame for positioning the glider in flight-ready configuration and a selectively actuatable release device accessible to the glider operator for separation from the vehicle at a desired altitude. The support frame positions the glider so that the wing of the glider provides added lift to the launch vehicle during combined flight.
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: April 25, 1989
    Inventor: William R. Chadwick
  • Guidance law to improve the accuracy of tactical missiles
    Patent number: 4541591
    Abstract: A missile guidance system in a canard controlled airframe with means to mure the angle of attack as well as the pursuit angle by the use of a two degree of freedom roll-free reference gyroscope or other inertial reference device so as to move the canard control surfaces, where the canards direct the missile to the target.
    Type: Grant
    Filed: April 1, 1983
    Date of Patent: September 17, 1985
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William R. Chadwick, Conrad M. Rose