Patents by Inventor Alexander Kulgevich

Alexander Kulgevich 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).

  • Fire arm
    Patent number: 4604985
    Abstract: A fire arm has a firing element provided with a muzzle and a mechanism to strike a boomerang, and a support attachable to the muzzle of the firing element and arranged to support the boomerang before firing. The strikes of different magnitudes are delivered to two legs of the boomerang by different length striker arms or different fluid pressures, and that provides spin to the boomerang.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: August 12, 1986
    Assignee: Naum Frayberg
    Inventor: Alexander Kulgevich