| All Patents in class 470/62 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 148 | Mar. 25, 1837 | T.W. Harvey | Improvements in Machines for Nicking and Turning the Heads of Wood-Screws |
| | 211,911 | Feb. 04, 1879 | A. Johnson | Metal Screw Machine |
 | 275,431 | Apr. 10, 1883 | C.M. Spencer | Metal Screw Machine |
 | 280,296 | Jun. 26, 1883 | F. Curtis, A.B. Curtis | Metal-screw machine |
| | 463,626 | Nov. 24, 1891 | W.W. Hastings | Automatic Screw Machine |
| | 862,535 | Aug. 06, 1907 | I.A. Blood | Bobbin-notching machine |
| | 1,061,973 | May 20, 1913 | C.E. Bilton | Milling-machine |
| | 1,872,564 | Aug. 16, 1932 | E.B. Stimpson | Slotting machine |
