Patents by Inventor David John Copello

David John Copello 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).

  • Pivot column for a chair armrest or similar mechanism
    Patent number: 7380886
    Abstract: A pivoting column with stop cells formed inside the column is disclosed. The stop cells have to functioning positions, a locking position and a moving position. In the locked position the stop cells allow the column to rotate freely in one chosen direction, and prevent rotation in the opposite direction. In the moving position the stop cells allow free rotation of the column in either direction.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: June 3, 2008
    Inventor: David John Copello