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All Patents in class 400/613
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
79,265Jun. 23, 1868S.W. Soule, C. Glidden, C.L. SholesType Writing Machineoffice worker
687,167Nov. 19, 1901A.H. Roovers, A.W. RooversDie press
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