Patents by Inventor Efram Benjamin Wolff

Efram Benjamin Wolff 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).

  • Mechanically fastened diaphragmatic guitar plectrum retainer
    Patent number: 9653050
    Abstract: The Improved Guitar Plectrum Retainer of the present invention is mechanically fastened to bracketing in the pickguard location. The intended use of the present invention is to provide ease in alternating between plectrum and non plectrum techniques. The location and design of the improved retainer facilitate that ease of transition. When wishing to insert the plectrum into the retainer the practitioner need only contact the elongated cover of the retainer with the tip of the plectrum and slide the plectrum along the inner surface of the cover.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: May 16, 2017
    Inventor: Efram Benjamin Wolff