Patents by Inventor Annette Snow Ludolf

Annette Snow Ludolf 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).

  • Patent number: 6098634
    Abstract: A beauty coil that is in the form of a rod which is comprised of a mass of continuous fibers which run the length of the rod. The fibers are held in a compressed state by an outer sheathing, which when removed, allows the fiber mass to expand or blossom prior to use.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: August 8, 2000
    Assignee: Little Rapids Corporation
    Inventors: Gary Nilo, James Dennis Cotton, Annette Snow Ludolf, John T. Delanty
  • Patent number: 5685323
    Abstract: A disposable filter attachment for smoking articles, such as cigarettes, comprises first and second filter segments and an insertion tube at one end thereof for receiving and supporting a conventional filtered or unfiltered cigarette to be smoked. The first filter segment contains a carbonaceous material for removing gas phase components of the mainstream cigarette smoke. The total pressure drop across the filter attachment is very low, e.g., less than about 15 mm of water at 17.5 cc/sec air flow and preferably in the range of about 3 mm to about 12 mm of water at 17.5 cc/sec air flow.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: November 11, 1997
    Assignee: R. J. Reynolds Tobacco Company
    Inventors: Evon Llewellyn Crooks, Barry Smith Fagg, Annette Snow Ludolf, Dennis Lee Potter