Patents by Inventor Gregory B. Hall

Gregory B. Hall 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: D488591
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: April 13, 2004
    Inventors: Gregory B. Hall, Lynette P. Hall