Patents by Inventor Dave L. Collis

Dave L. Collis 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).

  • Projectile pusher-type discarding sabot
    Patent number: 4590862
    Abstract: A pusher-type sabot for the launching of sub-caliber ballistic projectiles hose dimensions are significantly less than the gun bore diameter from which they are launched, the pusher-type sabot having a pusher plate and bore rider, segmented such that the trajectory imparted upon the pusher plate and bore rider segment is deviant from that of the sub-caliber ballistic projectile upon leaving the gun bore.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: May 27, 1986
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Chester Grabarek, Dave L. Collis