Patents by Inventor Kostadin Boris Kondev

Kostadin Boris Kondev 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).

  • Fan housing
    Patent number: D439648
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: March 27, 2001
    Assignee: ResMed Limited
    Inventors: Richard Llewelyn Jones, Kostadin Boris Kondev, Atul Shrikrishna Magikar, Alexander Virr