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Patents for Calvin B. Rogers
Patents 1 - 3 of 3
First set of recordsLast set of records
3,849Dec. 07, 1844C.B. RogersMachine for Filing Saws
4,321Dec. 20, 1845C.B. RogersMachinery for dressing combscomb making machines
22,513Jan. 04, 1859C.B. RogersMachine for pointing the teeth of hair-combscomb making machines
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