Patents by Inventor Lawrence Edmond Gravely

Lawrence Edmond Gravely 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).

  • Filter
    Patent number: 4121599
    Abstract: A filter for treating fluids, particularly tobacco smoke, is described having a filter media prepared from a wide variety of fungal mycelia or yeasts.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: October 24, 1978
    Assignee: Brown & Williamson Tobacco Corporation
    Inventors: Richard Paul Newton, Lawrence Edmond Gravely