Patents Assigned to PRS, Inc.
  • Regressed speaker grille
    Patent number: D326456
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: May 26, 1992
    Assignee: PRS, Inc.
    Inventor: Richard Hahn
  • Recessed speaker grill
    Patent number: D329239
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: September 8, 1992
    Assignee: PRS, Inc.
    Inventor: Richard Hahn