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Patents Granted on 1851-12-??
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
8,554Dec. 02, 1851W. BushnellHand-drilldrill presses
8,562Dec. 02, 1851W. SherrodExpanding Mandrelmetal lathe accessories and attachments
8,569Dec. 02, 1851T.T. StrodeMachine for boring holes in postsdrilling and boring
8,580Dec. 09, 1851J. HydeChuck for Lathesmetal lathe chucks
8,581Dec. 09, 1851C. KetchamImprovement in feeding logs in sawmillssawmill carriages
8,584Dec. 09, 1851G.W. TolhurstLath-machinelath making machines
8,589Dec. 16, 1851H.W. HaydenMachinery for Making Kettles and Articles of Like Character from Disks of Metalmetal spinning machines
8,612Dec. 23, 1851W.F. Fergus, J.M. PattonCutter for planing-machinescutters
8,620Dec. 23, 1851J. ZimmerWooden Thread Cutting Machinewoodworking horizontal borers
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