Patents by Inventor Addison W. Learned, III

Addison W. Learned, III 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).

  • Publication number: 20080303012
    Abstract: A handrail article containing integral nodes continuously spaced along the axis of the rail at approximate hand spacing to reduce muscle torque strain and fatigue (Isokinetics) resulting from strength applied to overcome sliding of hand grip while sustaining balance during travel on stairways. To incorporate a non-metallic nodal rail component into a railing assembly, metal is embedded into the rail article for welding to posts of the balustrade assembly.
    Type: Application
    Filed: June 8, 2007
    Publication date: December 11, 2008
    Inventor: Addison W. Learned, III
  • Patent number: D267108
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: November 30, 1982
    Inventor: Addison W. Learned, III