Patents by Inventor Klaus-Peter Heyne

Klaus-Peter Heyne 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).

  • Piano bass string
    Patent number: 4135429
    Abstract: A piano bass string includes a load carrying wire and at least one wire encircling the load carrying wire with the encircling wire made up of a tubular casing of a drawable material and a core which is heavier than the drawable material.
    Type: Grant
    Filed: June 18, 1976
    Date of Patent: January 23, 1979
    Inventor: Klaus-Peter Heyne