Patents by Inventor Alex F. Hall

Alex F. 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: D506146
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: June 14, 2005
    Inventor: Alex F. Hall
  • Patent number: D506147
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: June 14, 2005
    Inventor: Alex F. Hall
  • Patent number: D506397
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: June 21, 2005
    Inventor: Alex F. Hall
  • Patent number: D507756
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: July 26, 2005
    Inventor: Alex F. Hall
  • Patent number: D512330
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: December 6, 2005
    Inventor: Alex F. Hall