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Patents for Joseph Ledward
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
297,816	Apr. 29, 1884	J. Ledward	Saw	sawblades
309,550	Dec. 23, 1884	J. Ledward	Saw	insertable saw teeth
312,133	Feb. 10, 1885	J. Ledward	Saw	sawblades
325,679	Sep. 08, 1885	J. Ledward	Saw	sawblades

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