Patents by Inventor Mark Twohy

Mark Twohy 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).

  • Violin holder
    Patent number: 4913027
    Abstract: A violin holder which slips onto the chest and shoulder of a musician retains a violin in the playing position with good stability, avoiding the need for the musician to cradle the instrument between his shoulder and chin. The violin holder is light in weight and of low profile, barely visible on the musician. In preferred embodiments it dismantles and folds and can be stored in a standard violin case along with the violin.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: April 3, 1990
    Inventor: Mark Twohy