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Patents Granted on 1851-07-??
Patents 1 - 15 of 16
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NumberDatePatenteeTitleType
8,185Jul. 01, 1851W. HindsVise Saw Setsaw vises
8,196Jul. 01, 1851T.R. BaileySelf-centering lathewood lathes
8,199Jul. 01, 1851J. CrumMachinery for Cutting Filestool making machines
XC-332Jul. 04, 1851G. HawleyShingle making machineshingle machines
8,203Jul. 08, 1851R. DudgeonPortable hydraulic presshydraulic jacks
8,206Jul. 08, 1851J.W. Wheeler, B. HollyMachine for grooving lumberdado machines
NS-13Jul. 12, 1851A. ChisholmMathematical mechanical scale to solve problems in trigonometryscales
NS-14Jul. 12, 1851A. ChisholmImproved spirit levelspirit levels
8,216Jul. 15, 1851J.M. BottumMode of Securing Pinions and Staffs of Watches in Lathe or Bench Chuckswatchmakers lathes
8,217Jul. 15, 1851E.K. BrowningMachine for cutting wood into shreds and crimping them for mattress stuffing, &c.excelsior machines
8,230Jul. 15, 1851D. WoodcockMachine for sawing and dressing stavesbarrel making machines
8,245Jul. 22, 1851W. HawkinsStave-dressing machinebarrel making machines
8,246Jul. 22, 1851J. BurgessMachine for dressing boot-formsspecialty woodworking machines
RE205Jul. 29, 1851P. StillmanImprovement in Steam and Vacuum Gagesvacuum and pressure gauges
8,265Jul. 29, 1851H. MooreMachine for preparing hubs for the reception of boxeswheelwright
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