Willis H. Downs died in 1929.
Willis H. Downs was born in 1866-09.
Willis H. Flygare died in 1981.
Willis H. O'Brien died on 1962-11-08.
Willis H. Flygare was born in 1936.
Willis H Carrier invented the air conditioner
Willis H. O'Brien was born on 1886-03-02.
Willis H. Johnson has written: 'Principles of zoology'
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Wilbur Downs died in 1991.
Ephraim Downs died in 1860.
Bill Downs died in 1978.
Willis Carrier invented the airconditioner in 1902.