Mary Beatrice Davidson Kenner, American inventor (d. 2006)
Mary Beatrice Davidson Kenner (May 17, 1912 – January 13, 2006) was an American inventor most noted for her development of the adjustable sanitary belt, although racial discrimination caused her patent for the sanitary belt to be prevented for thirty years. Kenner received five patents, which includes a carrier attachment for invalid walker and bathroom tissue holder.