Patents by Inventor Demetrios K. Prapas

Demetrios K. Prapas 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).

  • Smoke grenade launcher
    Patent number: H1009
    Abstract: A smoke grenade system for use on an armored vehicle. This system includes vehicle having a body and a turret, launching tubes mounted on the two sides of the turret, a first switch for expelling a first salvo of smoke grenades and a second switch for expelling a second salvo of smoke grenades. Each switch actuates one-half of the launching tubes on one side of the vehicle plus one-half of the launching tubes on the other side of the vehicle.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: January 7, 1992
    Assignee: The United States of America as repressented by the Secretary of the Army
    Inventors: Demetrios K. Prapas, Michael J. Burnham, Ronald E. Rhea, William G. Rouse, Mark T. Radovich