| All Patents in class 409/903 |
Patents 1 -
10
of 39
      |
| Picture | Number | Date | Patentee | Title |
| | 364,353 | Jun. 07, 1887 | R. Kampfe | Machinery for Grinding Cutlery |
| | 445,983 | Feb. 10, 1891 | W.B. Dwight | Machine for Cutting or Slicing Minerals |
 | 489,224 | Jan. 03, 1893 | W.W. Doolittle | Tapping-machine |
 | 508,533 | Nov. 14, 1893 | J.N. Skinner | Face-plate jaw |
| | 540,074 | May 28, 1895 | H.G. Shepard | Machine for recessing wheel-rims |
| | 540,630 | Jun. 11, 1895 | W.P. Brett | Drilling Machine |
 | 564,296 | Jul. 21, 1896 | O.S. Walker | Magnetic chuck |
 | 651,908 | Jun. 19, 1900 | O.S. Walker | Magnetic Chuck |
| | 848,192 | Mar. 26, 1907 | H.E. Morton, M. Morton | Apparatus for Holding Connecting Rod Brasses for Locomotives, &c. |
 | 1,079,546 | Nov. 25, 1913 | A.W. Faxon, L.W. Downes | Magnetic Chuck |
