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Expired
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Charles Thomas Schoen
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Individual
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Individual
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Publication of GB190624221ApublicationCriticalpatent/GB190624221A/en
24,221. Schoen, C. T. Oct. 30. Forging.-A blank for a toothed wheel is made by the process described in Specification No. 24,219, A.D. 1906, by pressing an angular slab in successive dies, Figs. 3 and 5, which enclose it circumferentially, but the use of the dies, Fig. 3, may be omitted. The slab may have a small piece nipped off each corner.
GB190624221D1906-10-301906-10-30Improvements in and relating to Gear Wheels.
ExpiredGB190624221A
(en)