| All Patents in class 451/236 |
Patents 1 -
10
of 29
      |
| Picture | Number | Date | Patentee | Title |
 | 12,088 | Dec. 19, 1854 | C.P. Bailey | Feeding apparatus to machine for cutting irregular forms |
 | 105,543 | Jul. 19, 1870 | J.A. Borthwick | Improvement in Machine for Sharpening Saws |
 | 132,928 | Nov. 12, 1872 | R.T. Smith | Improvement in machines for carving, polishing, etc. |
| | 214,002 | Apr. 08, 1879 | E.W. Phelps | Saw Sharpening Machine |
| | 402,560 | May 07, 1889 | G. Carlsen | Saw-sharpening machine |
| | 403,712 | May 21, 1889 | O.A. Winter | Machine for grinding the cutters of wood-cutting machines |
| | 406,079 | Jul. 02, 1889 | H.T. Basim | Saw gumming and sharpening machine |
 | 432,144 | Jul. 15, 1890 | W.J. Muncaster | Machine for Polishing Shafting |
| | 439,300 | Oct. 28, 1890 | A. Manecke | Grinding and Polishing Machine |
| | 449,059 | Mar. 24, 1891 | H. Trost | Polishing-machine |
