US Number-Issued Patents (1836-1861, 1866-1920)
About the Collection
Collection preserves US number-issued patents (1836-1861, 1866-1920).
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Improvement in breech-loading fire-arms
Marlon Gallager and Gladding, William
1859-07-12
US 0024730 A
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Machine for washing and amalgamating gold
George Wheeler and Calvert, George, Upperville, VA
1859-07-05
US 0024706 A
