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All Patents in class 451
Patents 16 - 30 of 2154
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NumberDatePatenteeTitleType
6,949Dec. 11, 1849J. Vaughan, Jr.Machine for Grinding or Polishing Toolspolishing and buffing machinery
7,388May 21, 1850S. StevensMachine for Grinding Spiral Knivestool grinders
8,681Jan. 27, 1852A.H. CopelandImprovement in Sand Paper Holders
8,929May 04, 1852W. SouthwellMachinery for grinding or polishing saw-blades, &c.tool making
8,990Jun. 01, 1852B.J. TaymanMachine for turning and polishingspecialty machines
9,976Aug. 30, 1853S. DarlingApparatus for Grinding & Shaping Metalssurface grinders
10,017Sep. 13, 1853J.M. SmithImproved cutter-head for molding machinescutters
10,497Feb. 07, 1854T. BlanchardMachine for polishing plow-handles and other articlessanding machines
11,107Jun. 20, 1854E. AllenImproved veneer-polishersanding machines
12,088Dec. 19, 1854C.P. BaileyFeeding apparatus to machine for cutting irregular formspattern lathes
12,423Feb. 20, 1855W. StephensSlide Rest for Lathesmetal lathes
12,502Mar. 13, 1855J.P. BottumPolishing Apparatus for Watchmakers' Latheswatchmakers lathes
12,820May 08, 1855B. HardingeFacing Bed for Grinding Artificial Granite, Etc.stone dressing machines
13,236Jul. 10, 1855A. StoeckelMachine for cutting legs for pianos, tables, &c.wood lathes
13,354Jul. 31, 1855L. HullMachine for sawing ratanrattan machines
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