| All Patents of Type: sharpening machines |
Patents 1 -
15
of 134
      |
| Number | Date | Patentee | Title | Type |
| 7,010X | Apr. 19, 1832 | G.A. Madeira | Machinery for holding and grinding edge tools | sharpening machines |
| 8,229X | May 31, 1834 | J. Draper | Gumming saws | sharpening machines |
| 5,902 | Nov. 07, 1848 | J.W. Chapman, W.Z. Chapman | Honing Machine | sharpening machines |
| 17,965 | Aug. 11, 1857 | J.M. Gilstrap | Machine for Whetting Plane Bits | sharpening machines |
| 28,946 | Jun. 26, 1860 | J. Turner | Plane Iron Sharpener | plane blades |
| 61,955 | Feb. 12, 1867 | J. Richards | Improvement in machines for grinding saws | sharpening machines |
| 66,853 | Jul. 16, 1867 | A. Kipp, Jr. | Improvement in machines for grinding the runners for skates | sharpening machines |
| 75,411 | Mar. 10, 1868 | J. Grant | Improvement in grinder for knives for planers | sharpening machines |
| 78,909 | Jun. 16, 1868 | W.H. Wilson, G.P. York | Sharpening Mowing-Machine Knives | sharpening machines |
| 79,030 | Jun. 16, 1868 | J.A. Thompson | Sharpening Mowing-Machine Knives | sharpening machines |
| 79,818 | Jul. 14, 1868 | S. Farrenburg | Improvement in Tool-Sharpeners | sharpening machines |
| XC-2,996 | Jan. 25, 1869 | T.H. Bottomley | Edge-tool grinding machine | sharpening machines |
| 98,028 | Dec. 21, 1869 | J. Dickinson, E.D. Dickinson, G.T. Chattaway | Grinding Machine | sharpening machines |
| 107,768 | Sep. 27, 1870 | A. Miller, U. Faris | Improvement in Grindstones or Tool-sharpeners | sharpening machines |
| 140,832 | Jul. 15, 1873 | J. Rigney, J.P. Kealy | Machine for dressing lathe centers | sharpening machines |
