Patents by Inventor Jozef Przygodzki

Jozef Przygodzki 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).

  • Patent number: 5203520
    Abstract: A helicar is provided which consists of a body being in the shape of an automobile, a plurality of wheels depending from the body for supporting the body on the ground, a top rotor assembly operatively secured to the body, a rear rotor assembly operatively secured to the body and a mechanism for operating the top rotor assembly and the rear rotor assembly in a helicopter mode for travel through the air and for operating the wheels in an automobile mode for travel on the ground.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: April 20, 1993
    Inventors: Jozef Przygodzki, George Spector