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Patents for S. Beck
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
918,773Apr. 20, 1909H.W. SchatzVariable Speed Mechanism
946,073Jan. 11, 1910H.W. SchatzVariable Speed Mechanism
952,050Mar. 15, 1910H.W. SchatzVariable Speed Mechanismmetalworking speed changing mechanisms
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