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Patents for Edwin H. Risley
Patents 1 - 3 of 3
Number	Title	Classification(s)
330,260	Cutter-head	144/219, 144/235
357,622	Jointing and trimming machine	144/118, 144/135
375,893	Shaping-machine	144/124, 144/134.1, 144/136.1, 144/198.1

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