Patents for Martin G. Cushing


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Patents for Martin G. Cushing
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	RE604	Sep. 28, 1858	J. Crary	Improved shingle-machine
	27,221	Feb. 21, 1860	C.W. Hubbard	Machine for grinding and polishing saws
	27,227	Feb. 21, 1860	J. Lippincott	Improvement in the Manufacture of Axes