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Manner of dressing millstones with ventilators for cooling flour, &c.
Pendleton Cheek
1841-08-21
US 0002222 A
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Condenser of steam-engines and apparatus for supplying the boilers with water
Josephus Echols
1841-08-11
US 0002212 A
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Apparatus employed for separating gold from its ores and the earthy substances combined with it
Thomas Seay
1841-05-04
US 0002078 A
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Improved mode of preserving timber by boiling the same in lime-water
Edward Earle and Samuel Ringgold, of Florida
1838-08-06
US 0000877 A
