Patents by Inventor David E. Filipetti

David E. Filipetti 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).

  • T-3.Triple thick triple tip pick
    Patent number: 4253372
    Abstract: The disclosed guitar pick is a completely inflexible stringed instrument plectrum, ideally 3MM.+-.15% thick; three specific tip shapes and edge tapers, offer the selection of mutually exclusive and distinctly different unyielding picking points. This shape and taper gradient results in a different "feel", articulation, and string attack for each of the three available tips.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: March 3, 1981
    Inventor: David E. Filipetti