Patents by Inventor David S. Steinbuhler

David S. Steinbuhler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reduced-size keyboards
    Patent number: 6118063
    Abstract: In a reduced-size keyboard in a keyboard instrument, at least one apex of an angle in at least one key or bracing member is disposed at a different longitudinal position than any other apex in any key or bracing member.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: September 12, 2000
    Inventor: David S. Steinbuhler