Patents Assigned to Ed. Seiler Pianofortefabrik GmbH & Co KG
  • Electronic keyboard instrument
    Patent number: 5986202
    Abstract: A silent electronic keyboard instrument for operation in conjunction with a synthesizer for transmitting sound only electronically to a headphone terminal, and exhibiting keyboard operation substantially duplicative of acoustic piano keyboard operation.
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: November 16, 1999
    Assignee: Ed. Seiler Pianofortefabrik GmbH & Co. KG
    Inventor: Steffen Seiler, deceased
  • Piano
    Patent number: D308068
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: May 22, 1990
    Assignee: Ed. Seiler Pianofortefabrik GmbH & Co KG
    Inventor: Steffen Seiler