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Patents for J. F. Barker
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
249,121	Nov. 01, 1881	J.C. Tunnicliff	Cutter-head for rounding fellies	cutterheads
254,732	Mar. 07, 1882	J.C. Tunnicliff	Cutter-head for wood-working machines	cutterheads

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