Patents by Inventor Thomas S. Eizonas

Thomas S. Eizonas 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).

  • Ceramic parts for stringed musical instruments
    Patent number: 4308784
    Abstract: An improved fret, nut and/or, bridge saddle for stringed instruments comprises a polished aluminum oxide ceramic. The ceramic of this invention is long lasting and provides improved tonal clarity, and can increase greatly the ease with which a strummed instrument can be played.
    Type: Grant
    Filed: May 27, 1980
    Date of Patent: January 5, 1982
    Inventor: Thomas S. Eizonas