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Patents for F. C. Hale
Patents 1 - 8 of 8
First set of recordsLast set of records
114,939May 16, 1871D. HarriganImprovement in Pipe-Cutterspipe jaw attachments for wrenches
126,161Apr. 30, 1872D.C. StillsonImprovement in Pipe-Wrenchespipe wrenches
129,952Jul. 30, 1872A. Haseltine, Jr.Improvement in sawing-machinestablesaws
148,057Mar. 03, 1874S. HenryImprovement in Tool-Handlescombination tools
152,228Jun. 23, 1874S. HenryAwl-Handlestool holders
183,574Oct. 24, 1876T. KeenanImprovement in Pipe-Wrenchespipe wrenches
184,686Nov. 21, 1876J. MillerMachines for Tapping Pipes Under Pressureplumber
184,993Dec. 05, 1876D.C. StillsonWrenchpipe and nut combination wrenches
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