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Primary view of Improvement in Rotary Engines.
Richardson, John Dun
February 6, 1872
Primary view of Improvement in Vapor-Burners.
Sawyer, Frederick A.
February 27, 1877
Primary view of Improvement in Saw-Mills
Linder, Charles
February 9, 1875
Primary view of Improvement in Cultivators.
Price, James A.
February 8, 1876
Primary view of Improvement in Instruments for Filling Teeth
Ludwig, Carl D.
February 29, 1876
Primary view of Improvement in Medical Compounds.
Lister, Henry
February 7, 1871
Primary view of Improvement in Compositions for Filling Teeth.
Erlenmeyer, Erwin
February 9, 1875
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