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Thursday
In 1838, the first U.S. patent for a furniture caster was issued to Philos Blake, Eli Whitney Blake and John A. Blake, of New Haven. The patent was titled a "mode of constructing casters and applying them to bedsteads". In 1896, William Hadaway is issued a patent for the electric stove In 1948, the transistor was demonstrated by its inventors, John Bardeen and Walter Brattain, scientists at the Bell Telephone Laboratory.