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From: Kiritsy P. <ind...@ka...> - 2010-04-20 20:05:56
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Y was repealed in 1872. Coffee has remained on the free list ever since. The manufacture of machinery required in the coffee business began in the eighteenth century. The first coffee-grinder patent in the United States was issued to Thomas Bruff, Sr., in 1798. The first United States patent on an improvement on a roaster was issued to Peregrine Williamson of Baltimore in 1820. The first United States patent |