Patents by Inventor Todor D. Andonov

Todor D. Andonov 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).

  • Roller machine for profile cold bending
    Patent number: 4787231
    Abstract: A roller machine for profile cold bending includes a bearing framework with mounted supports, carrying power driven shape forming calibers.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: November 29, 1988
    Assignee: Znorc "Metalni Konstruckcit"
    Inventors: Tancho P. Chochev, Todor D. Andonov