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Patents for Robert B. Weaver
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
909,719	Jan. 12, 1909	R.B. Weaver	Apparatus for Chamfering Gear Teeth	gear making machines
1,003,462	Sep. 19, 1911	R.B. Weaver, W.P. Hunt	Feeding mechanism for automatic screw-driving machines	screw driving machines

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