Patents by Inventor Amad Tayebi

Amad Tayebi 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).

  • Gut string for sports rackets
    Patent number: 4449353
    Abstract: A natural gut string for sports rackets comprises at least two gut strands, each strand of which comprises a plurality of gut ribbons twisted together in a first direction, which strands are combined and re-twisted together in a direction opposite to the first direction. In a process for making the gut strings, the gut ribbons and gut strands are preferably twisted under tension.
    Type: Grant
    Filed: August 6, 1982
    Date of Patent: May 22, 1984
    Assignee: United States Tennis Gut Association, Inc.
    Inventor: Amad Tayebi