Patents by Inventor John D. Tran

John D. Tran 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).

  • Patent number: 7012181
    Abstract: A capo system for incorporating the advantages of a spring loaded short cut capo and a spring loaded regular capo into one convenient spring loaded capo system, while maintaining the ability to move both both capos with one hand and improving the comfortability when squeezing the capo by incorporating padding and comfort grooves. The inventive device includes a regular spring loaded capo with top and bottom jaws and a protruding portion, a spring loaded short cut capo with top and bottom jaws and a protruding portion and a plurality of attachments that connect both spring loaded capos together. The short cut capo consists of a spring loaded capo that is altered in a way to allow the certain strings on a guitar to be remained unclamped, while the remainder of the strings are closed down. The regular spring loaded capo is a spring loaded capo that is unaltered to ensure proper closing down on all strings of a guitar.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: March 14, 2006
    Inventor: John D. Tran