Keyboard Type Patents (Class D17/1)
Combined with diverse article (Class D17/2)
Accordion (Class D17/3)
Organ or cabinet therefor (Class D17/5)
Piano or cabinet therefor (Class D17/7)
Element or attachment (Class D17/9)
  • Keyboard instrument for use with a remote synthesizer or the like
    Patent number: D254496
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: March 18, 1980
    Inventor: Jeremy R. Hill
  • Toy piano
    Patent number: D255370
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: June 10, 1980
    Assignee: Emix Corporation
    Inventors: Yoshio Hayama, Humiuki Kurita, Sozen Uozumi
  • Synthesizer or similar article
    Patent number: D256366
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: August 12, 1980
    Inventor: Alan L. Dworsky
  • 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
  • Synthesizer organ or similar article
    Patent number: D258068
    Type: Grant
    Filed: January 19, 1979
    Date of Patent: January 27, 1981
    Assignee: O/R, Inc.
    Inventor: David E. Ostrom
  • Synthesizer organ, or the like
    Patent number: D258214
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: February 10, 1981
    Assignee: Nippon Gakki Seizo Kabushiki Kaisha
    Inventor: Yasuhiro Kira
  • Synthesizer
    Patent number: D258216
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: February 10, 1981
    Inventor: Franklin N. Eventoff
  • Electronic keyboard musical instrument
    Patent number: D258363
    Type: Grant
    Filed: October 29, 1979
    Date of Patent: February 24, 1981
    Assignees: David Weindel, Paul J. Sullivan
    Inventors: David Weindel, Paul J. Sullivan, William F. Horan
  • Toy piano
    Patent number: D258899
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: April 14, 1981
    Assignee: Emix Corporation
    Inventors: Yoshio Hayama, Sozen Uozumi, Fumiyuki Kurita
  • Electric piano or similar article
    Patent number: D260097
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: August 4, 1981
    Assignee: F.lli Antonelli s.n.c. del Cav. Luigi Antonelli & C.
    Inventor: Luciano Antonelli
  • Electric piano or similar article
    Patent number: D260098
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: August 4, 1981
    Assignee: F.lli Antonelli s.n.c. del Cav. Luigi Antonelli & C.
    Inventor: Luciano Antonelli
  • Preprogrammed electric music generator
    Patent number: D262543
    Type: Grant
    Filed: November 28, 1979
    Date of Patent: January 5, 1982
    Assignee: Interstate Industries, Inc.
    Inventors: Jeffrey P. Heuel, William F. Palisek
  • Electronic calculator with electronic musical instrument and timepiece
    Patent number: D269353
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: June 14, 1983
    Assignee: Sharp Corporation
    Inventor: Shinichi Yokoyama
  • Audio control panel
    Patent number: D269620
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: July 5, 1983
    Inventor: Lance Parker
  • Quizzer toy
    Patent number: D271029
    Type: Grant
    Filed: January 13, 1981
    Date of Patent: October 18, 1983
    Assignee: North American Foreign Trading Corporation
    Inventors: Dietmar Nagel, Andrew Lowinger, Peter Roegner