Harp Patents (Class D17/16)
  • Harp
    Patent number: D251948
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: May 29, 1979
    Inventor: Walter Krasicki
  • Harp
    Patent number: D252997
    Type: Grant
    Filed: March 10, 1976
    Date of Patent: September 25, 1979
    Inventor: Walter Krasicki
  • Harp
    Patent number: D268418
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: March 29, 1983
    Inventors: Ulf M. Hanses, Kerstin M. Hagland
  • Box harp
    Patent number: D274627
    Type: Grant
    Filed: July 6, 1981
    Date of Patent: July 10, 1984
    Inventor: Adele K. Ledford
  • Criterion harp
    Patent number: D296564
    Type: Grant
    Filed: May 20, 1985
    Date of Patent: July 5, 1988
    Inventor: Walter Krasicki
  • Electronic harp
    Patent number: D305434
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: January 9, 1990
    Inventor: Ralph F. Garritano
  • Speaker
    Patent number: D617772
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: June 15, 2010
  • Stringed musical instrument
    Patent number: D363080
    Type: Grant
    Filed: June 30, 1994
    Date of Patent: October 10, 1995
    Inventor: Brett L. Smith
  • Harp
    Patent number: D395443
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: June 23, 1998
    Inventors: Steve Melcher, Janet Melcher