Patents by Inventor Nikola I. Konstantinov

Nikola I. Konstantinov 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: 4168547
    Abstract: An anterior-chamber lens assembly in which a unitary lens carrier is stamped from thin sheet material and includes a ring formed with a throughgoing lens opening and a pair of diametrically opposed long flat arms extending outwardly from the ring and adapted to bend around the edge of the opening of the iris and extend therebehind, and three angularly equispaced flat short arms extending outwardly from the ring to a distance less than the long arms. A lens having a groove formed in the outer periphery thereof is positioned in the lens opening with the inner periphery of the opening received in the groove and completely filling it.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: September 25, 1979
    Assignee: Medicinska Akademia
    Inventors: Nikola I. Konstantinov, Dimiter V. Benchev