Patents by Inventor Harold Nelson

Harold Nelson 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).

  • Flutes
    Patent number: 4819538
    Abstract: Novel flutes based on present-day standard flutes devised long ago by Boehm have a finger piece for the key of the C-sharp venting hole over the key for the B venting hole, thus being close to the B-sharp venting hole and its key.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: April 11, 1989
    Inventor: Harold Nelson
  • Bucket and dustpan
    Patent number: D933921
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: October 19, 2021
    Inventors: Harold Nelson, Carter Nelson
  • Bucket
    Patent number: D1086626
    Type: Grant
    Filed: December 13, 2024
    Date of Patent: July 29, 2025
    Assignee: Edge Concepts LLC
    Inventors: Carter Nelson, Harold Nelson