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Patents for Harold Ferrell
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
132,058Oct. 08, 1872D. Cumming, Jr.Improvement in Attachment for Wrencheswrench handle components
179,494Jul. 04, 1876J.J. TowerImprovement in Bench-Planesplane handles
CA-45,993May 09, 1894C. HallPipe-Wrenchscrew adjust wrenches
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