| All Patents in class 451/342 |
Patents 1 -
15
of 54
      |
| Number | Date | Patentee | Title | Type |
| 25,996 | Nov. 01, 1859 | J. Colville | Method of adjusting circular saws | circular saws |
| 81,611 | Sep. 01, 1868 | J.W. Douglas | Grindstone Frame | grinders |
| 85,819 | Jan. 12, 1869 | J.L. Haven | Improvement in grindstone-journal boxes | bench or pedestal grinders |
| 97,098 | Nov. 23, 1869 | T. Loring | Improvement in grindstones | sharpening apparatus |
| 101,058 | Mar. 22, 1870 | E.A. Süwerkrop | Improvement in emery-wheel clamp | bench or pedestal grinders |
| 134,363 | Dec. 31, 1872 | G.L. Cummings | Improvement in grindstone-frames | grindstone frames |
| 179,375 | Jun. 27, 1876 | A. Warth | Improvement in mechanical movements | |
| 179,500 | Jul. 04, 1876 | E. Andrews | Improvement in saw-sharpening machines | saw sharpening machines |
| 196,063 | Oct. 09, 1877 | H. Wickham, Jr. | Grinding Machine | grinding machines |
| 327,968 | Oct. 06, 1885 | W.F. Patterson, H.B. Stillman | Machine for Interchangeably Planing or Turning | metal planers |
| 384,795 | Jun. 19, 1888 | F.A. Shoemaker | Grinding Machine | metal lathe accessories and attachments |
| 396,553 | Jan. 22, 1889 | J.L. Fowle | Machinery for grinding metallic bands | tool making machines |
| 399,066 | Mar. 05, 1889 | C.S. McMillan | Saw-gummer | saw gummers |
| 434,115 | Aug. 12, 1890 | C.H. Norton | Grinding Machine | grinders |
| 447,796 | Mar. 10, 1891 | T.L. Smith, P.W. Post | Carving-machine | carving machines |
