Patents by Inventor Julian B. Chavis

Julian B. Chavis 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).

  • Rotatable yarn winding spindle
    Patent number: 3946958
    Abstract: The invention relates to a rotatable yarn winding spindle provided with a cone holder, the latter including spring finger elements adapted to be moved into and out of engagement with the inner wall of the cone holder upon flexure of the spring finger elements whereby the cone may be positioned upon or removed from the cone holder.
    Type: Grant
    Filed: June 19, 1974
    Date of Patent: March 30, 1976
    Inventor: Julian B. Chavis