| All Patents in class 74/53 |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
 | 69,526 | Oct. 01, 1867 | G. Smith, J.N. Wrigley | Improvement in cut-off valve-gear |
 | 77,347 | Apr. 28, 1868 | A.B. Bean | Improvement in nut machines |
| | 120,412 | Oct. 31, 1871 | P. Breen | Improvement in Tilt Hammers |
| | 211,911 | Feb. 04, 1879 | A. Johnson | Metal Screw Machine |
| | 578,777 | Mar. 16, 1897 | F. Schultze | Screw Machine |
| | 662,040 | Nov. 20, 1900 | T.J. Sturtevant, T.L. Sturtevant | Explosion Engine |
 | 938,803 | Nov. 02, 1909 | C.E. Van Norman | Metal-working machinery |
 | 1,403,480 | Jan. 17, 1922 | L.H. Blood | Mechanical movement |
| | 1,502,467 | Jul. 22, 1924 | F.P. Glosh | Automatic Screw Machine |
 | 1,842,796 | Jan. 26, 1932 | H.W. Morgan | Mechanical movement |
