| All Patents in class 29/43 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 407,537 | Jul. 23, 1889 | G. Landmann | Machine for Making Screws |
| | 469,201 | Feb. 16, 1892 | J.B. Clyne | Machine for Making Screws |
| | 554,814 | Feb. 18, 1896 | J.B. Clyne | Machine for Making Screws Nipples, &c. |
| | 574,162 | Dec. 29, 1896 | G.G. Prentice | Multiple Screw Machine |
| | 578,777 | Mar. 16, 1897 | F. Schultze | Screw Machine |
| | 633,419 | Sep. 19, 1899 | J. Brockie | Automatic Lathe |
| | 857,893 | Jun. 25, 1907 | G.H. Newton | Screw-Machine |
 | 1,197,541 | Sep. 05, 1916 | J.C. Potter | Automatic turret-lathe |
| | 1,967,689 | Jul. 24, 1934 | A.M. Sosa, L.L. Schauer | Cam Controlled Mutispindle Machine |
 | 2,300,389 | Oct. 27, 1942 | H.W. Ruppel | Coolant control and lock for spindle turrets |
