Patents Assigned to Federico E. de los Santos
  • Jagged edge pick for a stringed musical instrument
    Patent number: 4993301
    Abstract: A guitar pick having a serrated or jagged edge for picking a guitar string and capable of producing in a rapid succession a repetitive tone to give a percussive effect and to alternatively pick normally by using the unserrated top portion of the pick. The serrations may be on a beveled surface, may extend along about a 1/2 inch of the length of the guitar pick and be on both sides of the pick.
    Type: Grant
    Filed: May 16, 1990
    Date of Patent: February 19, 1991
    Assignee: Federico E. de los Santos
    Inventor: Federico E. de los Santos