Element Or Attachment Patents (Class D17/4)
  • Keyboard for electronic accordion
    Patent number: D256590
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: August 26, 1980
    Assignee: FM Musical Instruments, Inc.
    Inventor: Franco Orlandoni
  • Pedal switch
    Patent number: D740237
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: October 6, 2015
    Assignee: ROLAND CORPORATION
    Inventors: Yoji Inagaki, Hirofumi Muramatsu
  • Portion of accordion with graphical design
    Patent number: D844692
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: April 2, 2019
    Inventor: Juan Gerardo Rodriguez