Patents by Inventor David W. Haggerty

David W. Haggerty 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).

  • Bi-sectional bedding material
    Patent number: 7200883
    Abstract: A bedding system comprising a fitted sheet having two sections, each section made of a different fabric and a flat sheet having two sections each section being of a different fabric such that the different materials cause different warming characteristics.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: April 10, 2007
    Inventor: David W. Haggerty