Patents by Inventor Ilja Levsunov

Ilja Levsunov 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).

  • Ornamental defensive ring
    Patent number: 3995447
    Abstract: An ornamental and defensive finger ring formed of a plurality of ring sections each having a central circular aperture to encircle the finger of a wearer, and held in stacked sequential, contacting relation with respect to a common central axis of the sections, at least one section being selectively adjustable for guided angular movement about the axis, between a first and ornamental position and a second position wherein the sections are releasably held in a different ornamental and defensive relation.
    Type: Grant
    Filed: August 14, 1975
    Date of Patent: December 7, 1976
    Inventor: Ilja Levsunov