Patents by Inventor Leonid Primak

Leonid Primak 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).

  • Chair mounted system for control based on use of chair
    Patent number: 7443311
    Abstract: A chair based interface comprising a lower portion attachable to the base of a two part chair and an upper portion attachable to the shaft of a two part chair. A rocker arm connects the two portions and depresses an internal switch when pressure is placed on the chair. A wireless transmitter and receiver and attached interface can control a computer or other device based on the activation or deactivation of the switch. The device can be integrated into or attached to a chair during manufacturing or attached after market.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: October 28, 2008
    Inventors: Boris Primak, Leonid Primak
  • Chair mounted system for control based on use of chair
    Publication number: 20060290527
    Abstract: A chair based interface comprising a lower portion attachable to the base of a two part chair and an upper portion attachable to the shaft of a two part chair. A rocker arm connects the two portions and depresses an internal switch when pressure is placed on the chair. A wireless transmitter and receiver and attached interface can control a computer or other device based on the activation or deactivation of the switch. The device can be integrated into or attached to a chair during manufacturing or attached after market.
    Type: Application
    Filed: April 26, 2006
    Publication date: December 28, 2006
    Inventors: Boris Primak, Leonid Primak