1922-1986. People who have breathing problems may, in the future, give credit to Rufus Stokes for helping to ease their problem. In 1968, Mr. Stokes was granted a patent on an air purification device which reduced the gases and ashes in smoke to a non-dangerous and invisible level.
This not only helps people, but also improves the health of plants and animals as well as improving the appearance and durability of buildings, cars and other things exposed to the air. After building and successfully testing several models of his machine, Mr. Stokes, in 1973, constructed a small domestic model and a large mobile model to show that his invention could be used in many ways.