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Patents for J. Parsons Owen
Patents 1 - 2 of 2
First set of recordsLast set of records
8,806Mar. 16, 1852J.P. OwenImprovement in machines for cutting screws on rails and posts of bedsteadsspecialty machines
10,261Nov. 22, 1853H. SmithApparatus for cutting screws on bedstead-rails, &c.specialty machines
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